LabID-base/OpenAlex-Afillation huggingface dataset:
Do hospital and surgeon volumes impact the outcomes of patients undergoing cholecystectomy in Ireland? A national registry based study
Year: 2025
Type: article
Language: en
Topic: Gallbladder and Bile Duct Disorders
Authors and affiliations:
raw_author_name: E. Linehan
raw_affiliation_strings: Mater Misericordiae University Hospital, Dublin, Ireland; Royal College of Surgeons in Ireland, Dublin, Ireland. Electronic address: eimearlinehan@rcsi.com
raw_author_name: J.D. Kehoe
raw_affiliation_strings: Mater Misericordiae University Hospital, Dublin, Ireland
raw_author_name: T. Gall
raw_affiliation_strings: Mater Misericordiae University Hospital, Dublin, Ireland
raw_author_name: G. McEntee
raw_affiliation_strings: Mater Misericordiae University Hospital, Dublin, Ireland; Royal College of Surgeons in Ireland, Dublin, Ireland; University College Dublin School of Medicine, Dublin, Ireland
raw_author_name: J. Conneely
raw_affiliation_strings: Mater Misericordiae University Hospital, Dublin, Ireland; Royal College of Surgeons in Ireland, Dublin, Ireland; University College Dublin School of Medicine, Dublin, Ireland
raw_author_name: R.M. O'Connell
raw_affiliation_strings: Mater Misericordiae University Hospital, Dublin, Ireland
Osmotic stress triggers calcium-mediated expression of the aquaporin (TIP2;1) gene in ashwagandha (Withania somnifera L. Dunal)
Year: 2025
Type: article
Language: en
Topic: Plant Stress Responses and Tolerance
Authors and affiliations:
raw_author_name: Sayantani Dutta
raw_affiliation_strings: Division of Agricultural Biotechnology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Kishor Kumar
raw_affiliation_strings: Division of Agricultural Biotechnology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India. kishorkumar@hau.ac.in
Present address: Department of Agricultural Biotechnology, College of Biotechnology, Chaudhary Charan Singh Haryana Agricultural University, Hisar, 125004, Haryana, India. kishorkumar@hau.ac.in
Division of Agricultural Biotechnology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Titiryu Chakraborty
raw_affiliation_strings: Division of Agricultural Biotechnology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Adrija Banerjee
raw_affiliation_strings: Division of Agricultural Biotechnology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Pavneet Kaur
raw_affiliation_strings: School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, 400141, Punjab, India
raw_author_name: Dipak Manna
raw_affiliation_strings: Department of Biomedical Sciences and Technology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Bhubanewar Pradhan
raw_affiliation_strings: Division of Agricultural Biotechnology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Sudipta Tripathi
raw_affiliation_strings: School of Environment and Disaster Management, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Gautam Chatterjee
raw_affiliation_strings: Division of Agricultural Biotechnology, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, 700103, West Bengal, India
raw_author_name: Kumari Neelam
raw_affiliation_strings: School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, 400141, Punjab, India
Sepsis-associated immunosuppression: mechanistic Insights, Biomarkers, and therapeutic perspectives
Year: 2025
Type: article
Language: en
Topic: Sepsis Diagnosis and Treatment
Authors and affiliations:
raw_author_name: Mehmet Akif Ovali
raw_affiliation_strings: Faculty of Medicine, Department of Physiology, Çanakkale Onsekiz Mart University, Çanakkale, Türkiye, Turkey. maovali@comu.edu.tr
Faculty of Medicine, Department of Physiology, Çanakkale Onsekiz Mart University, Çanakkale, Türkiye, Turkey
raw_author_name: Sevval Percin
raw_affiliation_strings: Faculty of Medicine, Department of Physiology, Çanakkale Onsekiz Mart University, Çanakkale, Türkiye, Turkey
Comparative Efficacy of Nerve Blocks for Post-Operative Analgesia Following Robot-Assisted Prostatectomy: A Systematic Review
Year: 2025
Type: review
Language: en
Topic: Anesthesia and Pain Management
Authors and affiliations:
raw_author_name: Shivam S. Shah
raw_affiliation_strings: School of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA
raw_author_name: Coplen D. Johnson
raw_affiliation_strings: School of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA
raw_author_name: Cameron A. Howe
raw_affiliation_strings: School of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA
raw_author_name: Anton W. Pelto
raw_affiliation_strings: School of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA
raw_author_name: Christian Grant
raw_affiliation_strings: Biology, Louisiana Technical University, Ruston, LA, 71272, USA
raw_author_name: Sahar Shekoohi
raw_affiliation_strings: Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA. sahar.shekoohi@lsuhs.edu
Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA
raw_author_name: Anusha Kallurkar
raw_affiliation_strings: Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA
raw_author_name: Alaa Abd-Elsayed
raw_affiliation_strings: Department of Anesthesiology, University of Wisconsin, Madison, WI, USA
raw_author_name: Alan D. Kaye
raw_affiliation_strings: Department of Anesthesiology, Department of Pharmacology, Toxicology, and Neurosciences, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA
Truncation-induced spectral broadening and subproducts generation in Airy-pulse-driven broadband cascaded four-wave mixing
Year: 2025
Type: article
Language: en
Topic: Optical Network Technologies
Authors and affiliations:
raw_author_name: Lucien Mandeng Mandeng
raw_affiliation_strings: University of Yaoundé
raw_author_name: Clément Tchawoua
raw_affiliation_strings: University of Yaoundé
Asymmetry between nasal and temporal refraction with accommodation in myopes and emmetropes
Year: 2025
Type: article
Language: en
Topic: Ophthalmology and Visual Impairment Studies
Authors and affiliations:
raw_author_name: Shrilekha Vedhakrishnan
raw_affiliation_strings: Department of Applied Physics, Royal Institute of Technology (KTH), Stockholm, Sweden
raw_author_name: Charlie Börjeson
raw_affiliation_strings: Department of Applied Physics, Royal Institute of Technology (KTH), Stockholm, Sweden
raw_author_name: Faik Ozan Özhan
raw_affiliation_strings: Department of Applied Physics, Royal Institute of Technology (KTH), Stockholm, Sweden
raw_author_name: Alberto Dominguez Vicent
raw_affiliation_strings: Karolinska Institute
raw_author_name: Abinaya Priya Venkataraman
raw_affiliation_strings: Karolinska Institute
raw_author_name: Linda Lundström
raw_affiliation_strings: Department of Applied Physics, Royal Institute of Technology (KTH), Stockholm, Sweden
Clinical, radiological, and pathological characteristics and long-term outcomes of silent corticotroph adenomas: a retrospective study
Year: 2025
Type: article
Language: en
Topic: Pituitary Gland Disorders and Treatments
Authors and affiliations:
raw_author_name: Yuhui Chen
raw_affiliation_strings: Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, No. 156, West Second Ring North Road, Fuzhou, Fujian, 350025, China
Fujian Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Neurovascular Diseases, Fuzhou, Fujian, China
raw_author_name: Yang Yang
raw_affiliation_strings: Department of Neurosurgery, Fuzong Teaching Hospital, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
raw_author_name: Heng Zhang
raw_affiliation_strings: Department of Neurosurgery, Guangzhou First People's Hospital, Guangzhou, Guangdong, China
raw_author_name: Tianshun Feng
raw_affiliation_strings: Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, No. 156, West Second Ring North Road, Fuzhou, Fujian, 350025, China
Fujian Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Neurovascular Diseases, Fuzhou, Fujian, China
raw_author_name: Liangfeng Wei
raw_affiliation_strings: Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, No. 156, West Second Ring North Road, Fuzhou, Fujian, 350025, China. wlf74@163.com
Fujian Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Neurovascular Diseases, Fuzhou, Fujian, China. wlf74@163.com
Fujian Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Neurovascular Diseases, Fuzhou, Fujian, China
Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, No. 156, West Second Ring North Road, Fuzhou, Fujian, 350025, China
raw_author_name: Shousen Wang
raw_affiliation_strings: Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, No. 156, West Second Ring North Road, Fuzhou, Fujian, 350025, China. wshsen1965@126.com
Department of Neurosurgery, Fuzong Teaching Hospital, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China. wshsen1965@126.com
Fujian Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Neurovascular Diseases, Fuzhou, Fujian, China. wshsen1965@126.com
Department of Neurosurgery, Fuzong Teaching Hospital, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, No. 156, West Second Ring North Road, Fuzhou, Fujian, 350025, China
Fujian Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Neurovascular Diseases, Fuzhou, Fujian, China
Calculating the Scattering of a PEC Semi‐Infinite Layer Using Generalized Plane Wave Spectrum and Singularity Extraction Based on Inheritance Propagation Method
Year: 2025
Type: article
Language: en
Topic: Electromagnetic Scattering and Analysis
Authors and affiliations:
raw_author_name: Tianqi Feng
raw_affiliation_strings: School of Integrated Circuit Science and Engineering University of Electronic Science and Technology of China Chengdu China
School of Integrated Circuit Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
raw_author_name: Chengyong Yu
raw_affiliation_strings: School of Electronic Science and Engineering University of Electronic Science and Technology of China Chengdu China
School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
raw_author_name: Yu Shi
raw_affiliation_strings: School of Integrated Circuit Science and Engineering University of Electronic Science and Technology of China Chengdu China
School of Integrated Circuit Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
raw_author_name: En Li
raw_affiliation_strings: School of Electronic Science and Engineering University of Electronic Science and Technology of China Chengdu China
School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
raw_author_name: Dakun Lai
raw_affiliation_strings: School of Electronic Science and Engineering University of Electronic Science and Technology of China Chengdu China
School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
The relationship between the EAT-Lancet dietary pattern and risk of cardiovascular events in patients with established cardiovascular disease
Year: 2025
Type: article
Language: en
Topic: Nutritional Studies and Diet
Authors and affiliations:
raw_author_name: Lukas L. F. Hoes
raw_affiliation_strings: Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
raw_author_name: Chiara Colizzi
raw_affiliation_strings: Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
raw_author_name: Yvonne T. van der Schouw
raw_affiliation_strings: Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
raw_author_name: Johanna M. Geleijnse
raw_affiliation_strings: Division of Human Nutrition and Health, Wageningen University and Research, Wageningen, Netherlands
raw_author_name: Jannick A. N. Dorresteijn
raw_affiliation_strings: Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
raw_author_name: Manon G. van der Meer
raw_affiliation_strings: Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
raw_author_name: Martin Teraa
raw_affiliation_strings: Department of Vascular Surgery, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
raw_author_name: Frank L. J. Visseren
raw_affiliation_strings: Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands. F.L.J.Visseren@umcutrecht.nl
Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
raw_author_name: Charlotte Koopal
raw_affiliation_strings: Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
Reply to “Authorship Order: Modest Proposals From a Retired Japanese Obstetrics‐Gynecology Professor”
Year: 2025
Type: article
Language: en
Topic: scientometrics and bibliometrics research
Authors and affiliations:
raw_author_name: Hidenori Hashimoto
raw_affiliation_strings: Data Science Juntendo University Graduate School of Medicine  Tokyo Japan
Data Science, Juntendo University Graduate School of Medicine, Tokyo, Japan
raw_author_name: Miwa Sekine
raw_affiliation_strings: Division of Medical Education Juntendo University Faculty of Medicine  Tokyo Japan
Division of Medical Education, Juntendo University Faculty of Medicine, Tokyo, Japan
raw_author_name: Yuji Nishizaki
raw_affiliation_strings: Clinical Translational Science Juntendo University Graduate School of Medicine  Tokyo Japan
Data Science Juntendo University Graduate School of Medicine  Tokyo Japan
Division of Medical Education Juntendo University Faculty of Medicine  Tokyo Japan
Clinical Translational Science, Juntendo University Graduate School of Medicine, Tokyo, Japan
The what and why of interprofessional collaboration according to first-year health professions students: a thematic analysis of written reflections
Year: 2025
Type: article
Language: en
Topic: Interprofessional Education and Collaboration
Authors and affiliations:
raw_author_name: Maria Kvarnström
raw_affiliation_strings: Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden. Maria.kvarnstrom@liu.se
Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
raw_author_name: Samuel Edelbring
raw_affiliation_strings: School of Education, Culture and Communication, Mälardalen University, Västerås, Sweden
School of Health Sciences, Örebro University, Örebro, Sweden
raw_author_name: Annika Lindh Falk
raw_affiliation_strings: Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
Multiple Myeloma and Chronic Kidney Disease–Related Mortality, 1999–2023: A Population-Based Time-Trend Analysis
Year: 2025
Type: article
Topic: Multiple Myeloma Research and Treatments
Authors and affiliations:
raw_author_name: Alyaa Ahmed Ibrahim
raw_affiliation_strings: Alexandria Faculty of Medicine, Alexandria, Egypt
raw_author_name: Mohamed Fawzi Hemida
raw_affiliation_strings: Alexandria Faculty of Medicine, Alexandria, Egypt
raw_author_name: Amro Ali
raw_affiliation_strings: Department of Medicine, Community Regional Medical Center, Fresno, California, USA
raw_author_name: Raveen Mujeeb
raw_affiliation_strings: Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan
raw_author_name: Mohammad Rayyan Faisal
raw_affiliation_strings: Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan
raw_author_name: Mahmoud Tablawy
raw_affiliation_strings: Faculty of Medicine, Al-azhar University, Cairo, Egypt
raw_author_name: Krish Patel
raw_affiliation_strings: C. U. Shah Medical College, Surendranagar, Gujarat, India
raw_author_name: Maryam Saghir
raw_affiliation_strings: Department of Medicine, Jinnah Sindh Medical University, Karachi, Pakistan
raw_author_name: Eshal Saghir
raw_affiliation_strings: Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan
raw_author_name: Sara Hasanin
raw_affiliation_strings: Faculty of Medicine, Menoufia University, Menoufia, Egypt
raw_author_name: Ahmed Atef Mohamed
raw_affiliation_strings: Faculty of Medicine, Helwan University, Cairo, Egypt
Faculty of Medicine, Luxor University, Luxor, Egypt
Faculty of Medicine, Mansoura University, Mansoura, Egypt
raw_author_name: Safeya Fawzi
raw_affiliation_strings: Faculty of Nursing, Matrouh University, Marsa Matrouh, Egypt
raw_author_name: Arwa Khaled Dessouky
raw_affiliation_strings: Alexandria Faculty of Medicine, Alexandria, Egypt
raw_author_name: Ahmed Khairy
raw_affiliation_strings: Alexandria Faculty of Medicine, Alexandria, Egypt
raw_author_name: Asmaa Mohamed
raw_affiliation_strings: Faculty of Medicine, Helwan University, Cairo, Egypt
Faculty of Medicine, Luxor University, Luxor, Egypt
Faculty of Medicine, Mansoura University, Mansoura, Egypt
raw_author_name: Abdelrhman H. Mohamed
raw_affiliation_strings: Faculty of Medicine, Helwan University, Cairo, Egypt
Faculty of Medicine, Luxor University, Luxor, Egypt
Faculty of Medicine, Mansoura University, Mansoura, Egypt
raw_author_name: Abdullah Farahat Elbanna
raw_affiliation_strings: Vanderbilt University Medical Center
Vestibular migraine. Clinical and diagnostic challenges, and emerging therapeutic approaches
Year: 2025
Type: article
Language: en
Topic: Vestibular and auditory disorders
Authors and affiliations:
raw_author_name: Maria Dolores Villar-Martinez
raw_affiliation_strings: NIHR King's Clinical Research Facility, SLaM Biomedical Research Centre and Wolfson Sensory Pain and Regeneration, Institute of Psychiatry, Psychology and Neuroscience, King's College, London, UK
raw_author_name: Ahmed Abdalla
raw_affiliation_strings: NIHR King's Clinical Research Facility, SLaM Biomedical Research Centre and Wolfson Sensory Pain and Regeneration, Institute of Psychiatry, Psychology and Neuroscience, King's College, London, UK
Neurology and Psychiatry Department, Minia University, Minia, Egypt
raw_author_name: Peter J. Goadsby
raw_affiliation_strings: King Abdullah University of Science and Technology, Thuwal, Saud Arabia
NIHR King's Clinical Research Facility, SLaM Biomedical Research Centre and Wolfson Sensory Pain and Regeneration, Institute of Psychiatry, Psychology and Neuroscience, King's College, London, UK
to Peter J. Goadsby, Wellcome Foundation Building, King's College Hospital, London SE5 9PJ, UK. Tel: +44 2 0329 931 06
Dynamics of exopolymer chemistry, rheology and anaerobic granule properties at various specific loadings with diverse wastewaters
Year: 2025
Type: article
Language: en
Topic: Wastewater Treatment and Nitrogen Removal
Authors and affiliations:
raw_author_name: Chang Gao
raw_affiliation_strings: Department of Environmental Technology, Wageningen University and Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
raw_author_name: Miriam H.A. van Eekert
raw_affiliation_strings: Department of Environmental Technology, Wageningen University and Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
raw_author_name: Mehdi Habibi
raw_affiliation_strings: Laboratory of Physics and Physical Chemistry of Foods, Wageningen University and Research, Bornse Weilanden 9, Wageningen, 6708 WG, the Netherlands
raw_author_name: Huub H.M. Rijnaarts
raw_affiliation_strings: Department of Environmental Technology, Wageningen University and Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
raw_author_name: Dainis Sudmalis
raw_affiliation_strings: Department of Environmental Technology, Wageningen University and Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
Comparison of pericapsular nerve group block and supra-inguinal fascia iliaca compartment block for preoperative analgesia in elderly patients with hip fracture: A prospective, randomized controlled study
Year: 2025
Type: article
Language: en
Topic: Anesthesia and Pain Management
Authors and affiliations:
raw_author_name: Haiming Liao
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China
raw_author_name: Zhen Wan
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China
raw_author_name: Jingjing Su
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China
raw_author_name: Dong Han
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China. Electronic address: handong0228@smu.edu.cn
raw_author_name: Wentao Lin
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China
raw_author_name: Muzhao Yu
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China
raw_author_name: Ge Sun
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China
raw_author_name: Fuhu Song
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China. Electronic address: songfuhu@smu.edu.cn
raw_author_name: Jun Zhou
raw_affiliation_strings: Institution hospital: The Third Affiliated Hospital, Southern Medical University, 183 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China. Electronic address: zhoujun7843@smu.edu.cn