LabID-base/OpenAlex-Afillation huggingface dataset:
Structure and Mechanism of <scp>PhdC</scp> , a Prenylated‐Flavin Maturase
Year: 2025
Type: article
Language: en
Topic: Biochemical and biochemical processes
Authors and affiliations:
raw_author_name: Dominic R. Whittall
raw_affiliation_strings: Manchester Institute of Biotechnology, University of Manchester  Manchester UK
Manchester Institute of Biotechnology, University of Manchester, Manchester, UK
raw_author_name: Henry G. Box
raw_affiliation_strings: Manchester Institute of Biotechnology, University of Manchester  Manchester UK
Manchester Institute of Biotechnology, University of Manchester, Manchester, UK
raw_author_name: Karl A. P. Payne
raw_affiliation_strings: Manchester Institute of Biotechnology, University of Manchester  Manchester UK
Manchester Institute of Biotechnology, University of Manchester, Manchester, UK
raw_author_name: Stephen A. Marshall
raw_affiliation_strings: Manchester Institute of Biotechnology, University of Manchester  Manchester UK
Manchester Institute of Biotechnology, University of Manchester, Manchester, UK
raw_author_name: David Leys
raw_affiliation_strings: Manchester Institute of Biotechnology, University of Manchester  Manchester UK
Manchester Institute of Biotechnology, University of Manchester, Manchester, UK
Designing transmedia storytelling as an education model in foreign language teaching
Year: 2025
Type: article
Language: en
Topic: Digital Storytelling and Education
Authors and affiliations:
raw_author_name: Emine Ulu
raw_affiliation_strings: Department of Turkish and Social Sciences Education, Mus Alparslan University
raw_author_name: Selçuk Doğan
raw_affiliation_strings: Turkish Teaching Application and Research Center, Yozgat Bozok University
Effects of Dietary Fermented Chinese Herbal Waste Compound on the Growth, Digestive Function, Antioxidative Capacity and Non-Specific Immunity of Juvenile Largemouth Bass (Micropterus salmoides)
Year: 2025
Type: article
Language: en
Topic: Aquaculture disease management and microbiota
Authors and affiliations:
raw_author_name: Xiaolei Zhang
raw_affiliation_strings: Key Laboratory of Aquatic-Ecology and Aquaculture of Tianjin, College of Fisheries, Tianjin Agricultural University, Tianjin 300392, China
Tianjin Beichen Agricultural Development Service Center, Tianjin 300400, China
raw_author_name: Xinye Zhao
raw_affiliation_strings: Beidaihe Central Experimental Station, Chinese Academy of Fishery Sciences, Qinhuangdao 066100, China
raw_author_name: Zecheng Shi
raw_affiliation_strings: Key Laboratory of Aquatic-Ecology and Aquaculture of Tianjin, College of Fisheries, Tianjin Agricultural University, Tianjin 300392, China
raw_author_name: Xiangdong Bi
raw_affiliation_strings: Key Laboratory of Aquatic-Ecology and Aquaculture of Tianjin, College of Fisheries, Tianjin Agricultural University, Tianjin 300392, China
raw_author_name: Wei Dai
raw_affiliation_strings: Key Laboratory of Aquatic-Ecology and Aquaculture of Tianjin, College of Fisheries, Tianjin Agricultural University, Tianjin 300392, China
Correction: Feng et al. Identification and Biological Characteristics of Alternaria gossypina as a Promising Biocontrol Agent for the Control of Mikania micrantha. J. Fungi 2024, 10, 691
Year: 2025
Type: article
Language: en
Topic: Fungal Plant Pathogen Control
Authors and affiliations:
raw_author_name: Lichen Feng
raw_affiliation_strings: College of Biological Science and Food Engineering, Southwest Forestry University, Kunming 650224, China
raw_author_name: Lianrong Hu
raw_affiliation_strings: Yunnan Academy of Forestry and Grassland, Kunming 650224, China
raw_author_name: Jingyi Bo
raw_affiliation_strings: College of Biological Science and Food Engineering, Southwest Forestry University, Kunming 650224, China
raw_author_name: Mei Ji
raw_affiliation_strings: Yunnan Academy of Forestry and Grassland, Kunming 650224, China
raw_author_name: Sangzi Ze
raw_affiliation_strings: Yunnan Forestry and Grassland Pest Control and Quarantine Bureau, Kunming 650051, China
raw_author_name: Yan’e Ding
raw_affiliation_strings: College of Biological Science and Food Engineering, Southwest Forestry University, Kunming 650224, China
raw_author_name: Bin Yang
raw_affiliation_strings: School of Biological and Chemical Science, Pu’er University, Pu’er 665000, China
raw_author_name: Ning Zhao
raw_affiliation_strings: College of Biological Science and Food Engineering, Southwest Forestry University, Kunming 650224, China
Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming 650224, China
Quantum Yield of Luminescence of YF3:Ce3+,Tb3+ Nanoparticles under the Stochastic Purcell Effect in a Colloidal Solution Containing Plasmonic Nanoparticles
Year: 2025
Type: article
Language: en
Topic: Gold and Silver Nanoparticles Synthesis and Applications
Authors and affiliations:
raw_author_name: E. A. Izbasarova
raw_affiliation_strings: Institute of Physics, Kazan (Volga Region) Federal University, 420111, Kazan, Russia
raw_author_name: A. R. Gazizov
raw_affiliation_strings: Institute of Physics, Kazan (Volga Region) Federal University, 420111, Kazan, Russia
A biobank-scale test of marginal epistasis reveals genome-wide signals of polygenic interaction effects
Year: 2025
Type: article
Language: en
Topic: Genetic Associations and Epidemiology
Authors and affiliations:
raw_author_name: Boyang Fu
raw_affiliation_strings: Department of Biomedical Informatics at HMS, Harvard University, Boston, MA, USA
raw_author_name: Ali Pazokitoroudi
raw_affiliation_strings: Department of Computer Science, University of California, Los Angeles, Los Angeles, CA, USA
raw_author_name: Zhuozheng Shi
raw_affiliation_strings: Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
Graduate Group in Genomics and Computational Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
raw_author_name: Asha Kar
raw_affiliation_strings: Bioinformatics Interdepartmental Program, University of California, Los Angeles, Los Angeles, CA, USA
Department of Human Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
raw_author_name: Albert Xue
raw_affiliation_strings: Bioinformatics Interdepartmental Program, University of California, Los Angeles, Los Angeles, CA, USA
raw_author_name: Aakarsh Anand
raw_affiliation_strings: Department of Computer Science, University of California, Los Angeles, Los Angeles, CA, USA
raw_author_name: Prateek Anand
raw_affiliation_strings: Department of Computer Science, University of California, Los Angeles, Los Angeles, CA, USA
raw_author_name: Zhengtong Liu
raw_affiliation_strings: Department of Computer Science, University of California, Los Angeles, Los Angeles, CA, USA
raw_author_name: Richard Border
raw_affiliation_strings: Department of Computational Biology, CMU, Pittsburgh, PA, USA
raw_author_name: Päivi Pajukanta
raw_affiliation_strings: Bioinformatics Interdepartmental Program, University of California, Los Angeles, Los Angeles, CA, USA
Department of Human Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
Institute for Precision Health, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
raw_author_name: Noah Zaitlen
raw_affiliation_strings: Department of Computational Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
Department of Human Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
Department of Neurology, University of California, Los Angeles, Los Angeles, CA, USA
raw_author_name: Sriram Sankararaman
raw_affiliation_strings: Department of Computational Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA. sriram@cs.ucla.edu
Department of Computer Science, University of California, Los Angeles, Los Angeles, CA, USA. sriram@cs.ucla.edu
Department of Human Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA. sriram@cs.ucla.edu
Department of Computational Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
Department of Human Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
Transformation of Raman Spectra from a Titanium Surface after Contact with Fluorine-Containing Gases
Year: 2025
Type: article
Language: en
Topic: TiO2 Photocatalysis and Solar Cells
Authors and affiliations:
raw_author_name: T. E. Drozdova
raw_affiliation_strings: Technological Institute for Superhard and New Carbon Materials, National Research Center “Kurchatov Institute”, 108840, Moscow, Russia
raw_author_name: P. B. Sergeev
raw_affiliation_strings: Lebedev Physical Institute, Russian Academy of Sciences, 108840, Moscow, Troitsk Branch, Russia
Transcriptome analysis reveals physiological responses in liver tissues of Epinephelus cyanopodus under acute hypoxic stress
Year: 2025
Type: article
Language: en
Topic: Physiological and biochemical adaptations
Authors and affiliations:
raw_author_name: Qiaoyi Chen
raw_affiliation_strings: South China Biodiversity Research Center, College of Life Sciences, Guangzhou University, Guangzhou, Guangdong, China
raw_author_name: Yukun Huang
raw_affiliation_strings: South China Biodiversity Research Center, College of Life Sciences, Guangzhou University, Guangzhou, Guangdong, China
raw_author_name: Zhiya Yu
raw_affiliation_strings: South China Biodiversity Research Center, College of Life Sciences, Guangzhou University, Guangzhou, Guangdong, China
raw_author_name: Wenjie He
raw_affiliation_strings: South China Biodiversity Research Center, College of Life Sciences, Guangzhou University, Guangzhou, Guangdong, China
raw_author_name: Xueqin Hu
raw_affiliation_strings: South China Biodiversity Research Center, College of Life Sciences, Guangzhou University, Guangzhou, Guangdong, China
raw_author_name: Jinhui Wu
raw_affiliation_strings: Agro-Tech Extension Center of Guangdong Province, Guangzhou, Guangdong, China
raw_author_name: Tianguang Cai
raw_affiliation_strings: Shenzhen Haijuyuan Aquacture Technology Co., Ltd., Shenzhen, Guangdong, China
raw_author_name: Yuhua Cui
raw_affiliation_strings: Shenzhen Haijuyuan Aquacture Technology Co., Ltd., Shenzhen, Guangdong, China
raw_author_name: Along Gao
raw_affiliation_strings: South China Biodiversity Research Center, College of Life Sciences, Guangzhou University, Guangzhou, Guangdong, China
raw_author_name: Hu Shu
raw_affiliation_strings: South China Biodiversity Research Center, College of Life Sciences, Guangzhou University, Guangzhou, Guangdong, China
Automated written corrective feedback: fostering writing accuracy, self-regulation, and motivational dynamics in EFL learners
Year: 2025
Type: article
Language: en
Topic: EFL/ESL Teaching and Learning
Authors and affiliations:
raw_author_name: Yingying Zhai
raw_affiliation_strings: School of Foreign Studies, Henan Agricultural University, Zhengzhou, Henan, 450000, China. zhaiyingying@henau.edu.cn
School of Foreign Studies, Henan Agricultural University, Zhengzhou, Henan, 450000, China
Meta Reinforcement Learning for Automated Cyber Defence
Year: 2025
Type: article
Language: en
Topic: Adversarial Robustness in Machine Learning
Authors and affiliations:
raw_author_name: Andrew Thomas
raw_affiliation_strings: Strategic Research Group Raytheon  Gloucester Gloucestershire UK
raw_author_name: Nick Tillyer
raw_affiliation_strings: Strategic Research Group Raytheon  Gloucester Gloucestershire UK
Dispersal, revisitation, and residency of satellite-tagged blue and fin whales in the Eastern North Pacific Ocean
Year: 2025
Type: article
Language: en
Topic: Marine animal studies overview
Authors and affiliations:
raw_author_name: Daniel M. Palacios
raw_affiliation_strings: Department of Fisheries, Wildlife, and Conservation Sciences, Oregon State University, Newport, OR, USA
Marine Mammal Institute, Oregon State University, Newport, OR, USA
raw_author_name: Ladd M. Irvine
raw_affiliation_strings: Department of Fisheries, Wildlife, and Conservation Sciences, Oregon State University, Newport, OR, USA
Marine Mammal Institute, Oregon State University, Newport, OR, USA
raw_author_name: Taylor Machette
raw_affiliation_strings: Duke University Marine Laboratory, Duke University, Beaufort, NC, USA
raw_author_name: Barbara A. Lagerquist
raw_affiliation_strings: Marine Mammal Institute, Oregon State University, Newport, OR, USA
raw_author_name: Erin A. Falcone
raw_affiliation_strings: Marine Ecology and Telemetry Research, Seabeck, WA, USA
raw_author_name: Gregory S. Schorr
raw_affiliation_strings: Marine Ecology and Telemetry Research, Seabeck, WA, USA
raw_author_name: Bruce R. Mate
raw_affiliation_strings: Department of Fisheries, Wildlife, and Conservation Sciences, Oregon State University, Newport, OR, USA
Marine Mammal Institute, Oregon State University, Newport, OR, USA
Hippocampal Atrophy Following Therapeutic Irradiation of Intracranial and Nasopharyngeal Tumors
Year: 2025
Type: article
Language: en
Topic: Brain Metastases and Treatment
Authors and affiliations:
raw_author_name: Mikhail V Galkin
raw_affiliation_strings: Department of Radiation Oncology, N.N. Burdenko National Medical Research Center of Neurosurgery, Moscow, RUS
raw_author_name: Andrey V. Golanov
raw_affiliation_strings: Department of Radiation Oncology, N.N. Burdenko National Medical Research Center of Neurosurgery, Moscow, RUS
raw_author_name: Natalia Antipina
raw_affiliation_strings: Department of Radiation Oncology, N.N. Burdenko National Medical Research Center of Neurosurgery, Moscow, RUS
Metabolomics and Transcriptomics Analyses Uncover the Potential of Flavonoids in Response to Saline–Alkali Stress in Codonopsis pilosula
Year: 2025
Type: article
Language: en
Topic: Plant Gene Expression Analysis
Authors and affiliations:
raw_author_name: Jinhua Liu
raw_affiliation_strings: School of Basic Medicine, Changzhi Medical College, Changzhi 046000, China
raw_author_name: Yongqing Wan
raw_affiliation_strings: Inner Mongolia Key Laboratory of Plants Adversity Adaptation and Genetic Improvement in Cold and Arid Regions, Inner Mongolia Agricultural University, Hohhot 010018, China
raw_author_name: Xiaowei Sun
raw_affiliation_strings: School of Basic Medicine, Changzhi Medical College, Changzhi 046000, China
raw_author_name: Wenting Su
raw_affiliation_strings: School of Basic Medicine, Changzhi Medical College, Changzhi 046000, China
raw_author_name: Kaixia Li
raw_affiliation_strings: School of Basic Medicine, Changzhi Medical College, Changzhi 046000, China
Curatorial practices in art history: shaping perspectives and narratives
Year: 2025
Type: article
Topic: Art, Politics, and Modernism
Authors and affiliations:
raw_author_name: Yifan Liu
raw_affiliation_strings: Hanyang University, Seoul, Korea, Republic of Korea
raw_author_name: Yueqing Xu
raw_affiliation_strings: University of Sydney, Sydney, Australia
The use of triptans and other acute treatments for the management of migraine in routine clinical practice in England: a retrospective cohort study using the Clinical Practice Research Datalink (CPRD)
Year: 2025
Type: article
Language: en
Topic: Migraine and Headache Studies
Authors and affiliations:
raw_author_name: Shuk-Li Collings
raw_affiliation_strings: Pfizer Ltd, Tadworth, UK. Shuk-Li.Collings@pfizer.com
Pfizer Ltd, Tadworth, UK
raw_author_name: Amisha Patel
raw_affiliation_strings: Adelphi Real World, Bollington, UK
raw_author_name: Hannah Gowman
raw_affiliation_strings: Adelphi Real World, Bollington, UK
raw_author_name: Sarah Law
raw_affiliation_strings: Adelphi Real World, Bollington, UK
raw_author_name: Aideen Ahern
raw_affiliation_strings: Pfizer Healthcare Ireland, Dublin, Ireland
raw_author_name: Robert Pawinski
raw_affiliation_strings: Pfizer Ltd, Tadworth, UK
raw_author_name: Robert Wood
raw_affiliation_strings: Adelphi Real World, Bollington, UK
raw_author_name: Shazia K. Afridi
raw_affiliation_strings: Department of Neurology, Guys and St Thomas NHS Foundation Trust, London, UK
<scp>NOD</scp> 1/ <scp>RIP</scp> 2 Pathway Promotes Glioma Progression Through Microglial <scp>M</scp> 2 Polarization
Year: 2025
Type: article
Language: en
Topic: Glioma Diagnosis and Treatment
Authors and affiliations:
raw_author_name: Yuxue Luan
raw_affiliation_strings: School of Medical Imaging Shandong Second Medical University  Weifang China
School of Medical Imaging, Shandong Second Medical University, Weifang, China
raw_author_name: Miao Yu
raw_affiliation_strings: School of Medical Imaging Shandong Second Medical University  Weifang China
School of Medical Imaging, Shandong Second Medical University, Weifang, China
raw_author_name: Haimo Zhang
raw_affiliation_strings: School of Medical Imaging Shandong Second Medical University  Weifang China
School of Medical Imaging, Shandong Second Medical University, Weifang, China
raw_author_name: Xiaozu Zhang
raw_affiliation_strings: School of Medical Imaging Shandong Second Medical University  Weifang China
School of Medical Imaging, Shandong Second Medical University, Weifang, China
raw_author_name: Peilun Xiao
raw_affiliation_strings: Department of Anatomy, School of Basic Medicine Shandong Second Medical University  Weifang China
Department of Anatomy, School of Basic Medicine, Shandong Second Medical University, Weifang, China
raw_author_name: Fenghua Zhou
raw_affiliation_strings: Pathology Department Affiliated Hospital of Shandong Second Medical University  Weifang China
Pathology Department, Affiliated Hospital of Shandong Second Medical University, Weifang, China
raw_author_name: Tianyu Zhao
raw_affiliation_strings: School of Medical Imaging Shandong Second Medical University  Weifang China
School of Medical Imaging, Shandong Second Medical University, Weifang, China
raw_author_name: Xiaoli Wang
raw_affiliation_strings: Medical Imaging Center Affiliated Hospital of Shandong Second Medical University  Weifang China
School of Medical Imaging Shandong Second Medical University  Weifang China
School of Medical Imaging, Shandong Second Medical University, Weifang, China
raw_author_name: Xizhen Wang
raw_affiliation_strings: Medical Imaging Center Affiliated Hospital of Shandong Second Medical University  Weifang China
School of Medical Imaging Shandong Second Medical University  Weifang China
Medical Imaging Center, Affiliated Hospital of Shandong Second Medical University, Weifang, China
Dissipation Behavior and Dietary Risk of Etofenprox in Kale (Brassica oleracea) and Red Mustard Greens (Brassica juncea)
Year: 2025
Type: article
Language: en
Topic: Pesticide Residue Analysis and Safety
Authors and affiliations:
raw_author_name: Jae-Hyeong Kim
raw_affiliation_strings: Department of Pharmaceutical Engineering, Graduate School of Hoseo University, Asan 31499, Republic of Korea
raw_author_name: Hye-Min Kwak
raw_affiliation_strings: Pesticide and Veterinary Drug Residues Divisions, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong 28159, Republic of Korea
raw_author_name: Ga-Eul-Hae An
raw_affiliation_strings: Department of Pharmaceutical Engineering, Graduate School of Hoseo University, Asan 31499, Republic of Korea
raw_author_name: Joon-Kyung Oh
raw_affiliation_strings: Department of Pharmaceutical Engineering, Graduate School of Hoseo University, Asan 31499, Republic of Korea
raw_author_name: Hee-Ra Chang
raw_affiliation_strings: Department of Pharmaceutical Engineering, Graduate School of Hoseo University, Asan 31499, Republic of Korea
Inferring blood volume collected on plasma-separating dried blood spots using mass and image analysis
Year: 2025
Type: article
Topic: Biosimilars and Bioanalytical Methods
Authors and affiliations:
raw_author_name: Elise C. Dietmann
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Center for Precision Medicine, University of Wisconsin–Madison, Madison, WI, USA
Department of Surgery, School of Medicine and Public Health, University of Wisconsin–Madison, Madison, WI, USA
raw_author_name: Michelle D. Stephens
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Center for Precision Medicine, University of Wisconsin–Madison, Madison, WI, USA
Department of Surgery, School of Medicine and Public Health, University of Wisconsin–Madison, Madison, WI, USA
raw_author_name: Olivia Krebs
raw_affiliation_strings: Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA
Departments of Radiology, Biomedical Engineering, and Medical Physics, University of Wisconsin–Madison, Madison, WI, USA
raw_author_name: Everlyne N. Nkadori
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Department of Pathology and Laboratory Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
raw_author_name: Judy Wang
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Department of Pathology and Laboratory Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
raw_author_name: Bradon R. McDonald
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Center for Precision Medicine, University of Wisconsin–Madison, Madison, WI, USA
Department of Surgery, School of Medicine and Public Health, University of Wisconsin–Madison, Madison, WI, USA
raw_author_name: Pallavi Tiwari
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Departments of Radiology, Biomedical Engineering, and Medical Physics, University of Wisconsin–Madison, Madison, WI, USA
raw_author_name: Stephanie M. McGregor
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Department of Pathology and Laboratory Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
raw_author_name: Muhammed Murtaza
raw_affiliation_strings: Carbone Cancer Center, University of Wisconsin–Madison, Madison, WI, USA
Center for Precision Medicine, University of Wisconsin–Madison, Madison, WI, USA
Department of Surgery, School of Medicine and Public Health, University of Wisconsin–Madison, Madison, WI, USA
Correction: Prevalence and associated factors of mental distress among private college nursing students in Gondar town, Northwest Ethiopia, 2023
Year: 2025
Type: article
Language: en
Topic: COVID-19 and Mental Health
Authors and affiliations:
raw_author_name: Agegnehu Amare
raw_affiliation_strings: Department of Psychiatry, Mizan-Tepi University, Mizan-Aman, Ethiopia
raw_author_name: Niguse Yigzaw
raw_affiliation_strings: Department of Psychiatry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
raw_author_name: Bizuneh Tesfaye
raw_affiliation_strings: Department of Psychiatry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
raw_author_name: Enguday Tirfeneh
raw_affiliation_strings: Department of Psychiatry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
raw_author_name: Seblewongel Tinsae
raw_affiliation_strings: Department of Psychiatry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
raw_author_name: Kiber Temesgen
raw_affiliation_strings: Department of Psychiatry, Mizan-Tepi University, Mizan-Aman, Ethiopia
raw_author_name: Gebremeskel Mesafint
raw_affiliation_strings: Department of Psychiatry, Mizan-Tepi University, Mizan-Aman, Ethiopia