( T Ahmed Rashid PhD );  Database Technology Department (Y Ahmed Salih PhD), College of Informatics  ( Y Ahmed Salih PhD ),  Sulaimani Polytechnic University, Sulaymaniyah, Iraq ;  Department of Medical Laboratory Sciences (A Aklilu MSc ),  Department of Biomedical Sciences (E G Tadesse MSc) ,  Arba Minch University ,  Arba Minch , Ethiopia;  School of Mathematical Sciences (T Akram PhD), School of Pharmaceutical Sciences (R Hussain PhD), University of Science Malaysia, Penang, Malaysia ;  Department of Public Health, The Intercountry Centre for Oral Health for Africa, Jos, Nigeria  ( C J Akunna DMD );  Department of Public Health, Federal Ministry of Health, Garki, Nigeria  ( C J Akunna DMD );  Geriatric and Long-Term Care Department  ( H Al Hamad MD ,  B Sathian PhD ),  Rumailah Hospital (H Al Hamad MD) ,  Hamad Medical Corporation , Doha, Qatar; Mayo Evidence-based Practice Center,  Mayo Clinic Foundation for Medical Education and Research, Rochester, MN, USA  ( F Alahdab MSc );  Environmental Health Department  ( S M A Dahlawi  PhD),  Forensic Medicine Division  ( Prof R G Menezes MD ),  Imam Abdulrahman Bin Faisal University, Dammam ,  Saudi Arabia  ( F M Alanezi PhD );  International Centre for Health Economics, Management , and  Policy, National Research University Higher School of Economics ,  St Petersburg ,  Russia  ( E A Aleksandrova PhD ,  P Meylakhs PhD );  Faculty of Health Sciences  ( K A Alene MPH ),  School of Public Health  ( B A Dachew PhD ,  T R Miller PhD ,  G A Tessema PhD ),  Curtin University, Perth, WA, Australia; Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, Perth, WA, Australia (K A Alene MPH );  Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan  ( L Ali  PhD);  Health Management and Economics Research Centre  ( V Alipour PhD ,  J Arabloo PhD ,  S Azari PhD ,  A Ghashghaee BSc ,  M Hosseinzadeh PhD , A Rezapour PhD),  Department of Health Economics (V Alipour  PhD),  Department of Medical Laboratory Sciences (F Dorostkar PhD) ,  Student Research Committee (A Ghashghaee BSc), Minimally Invasive Surgery Research Centre  ( A Kabir MD ),  Iran University of Medical Sciences, Tehran, Iran (F Pashazadeh Kan BSN) ;  College of Medicine, Alfaisal University, Riyadh ,  Saudi Arabia  ( S Almustanyir MD ,  Prof Z A Memish MD );  Research and Innovation Centre  ( Prof Z A Memish MD ),  Ministry of Health, Riyadh, Saudi Arabia (S Almustanyir MD); Research Group in Hospital Management and Health Policies, Universidad de la Costa, Barranquilla, Colombia  ( Prof N Alvis-Guzman PhD );  Research Group in Health Economics, University of Cartagena, Cartagena, Colombia  ( Prof N Alvis-Guzman PhD );  Department of Population and Behavioural Sciences, University of Health and Allied Sciences, Ho, Ghana  ( H Amu PhD ,  E E Tarkang PhD );  Cardiology Department ,  Carol Davila University of Medicine and Pharmacy, Bucharest, Romania (C Andrei PhD );  Department of Statistics and Econometrics, Bucharest University of Economic Studies, Bucharest ,  Romania  ( Prof T Andrei PhD ,  I Glăvan PhD ,  A Mirica PhD );  Department of Parasitology (D Anvari PhD) ,  Paediatric Infectious Diseases Research Centre  ( Prof M Rezai MD ),  Mazandaran University of Medical Sciences, Sari, Iran; Department of Parasitology, Iranshahr University of Medical Sciences, Iranshahr ,  Iran  ( D Anvari PhD );  Department of Public Health, Birmingham City University, Birmingham, UK (O Aremu PhD ); Department of Maternal and  Child Health ,  Sultan Qaboos University, Muscat, Oman  ( J Arulappan DSc );  Department of Health System and Health Economics  ( D D Atnafu  MPH),  Department of Internal Medicine  ( Y M Bezabih MD ),  Department of Nursing (A B Dagnew MSc ),  Department of Medical Laboratory Sciences  ( F M Demeke MSc ),  Department of Paediatrics and Child Health Nursing  (A Endalamaw MSc),  Department of Reproductive Health and Population Studies (E W Mengesha MPH) ,  Bahir Dar University ,  Bahir Dar ,  Ethiopia  ( W M Bezabhe BSc ); The  Judith Lumley Centre  ( B Ayala Quintanilla PhD ),  School of Psychology and Public Health  ( M Islam PhD), La Trobe University, Melbourne, VIC, Australia ;  San Martin de Porres University, Lima ,  Peru  ( B Ayala Quintanilla PhD );  Department of Pharmacology and Toxicology  ( M A Ayza MSc ),  Department of Epidemiology  ( H A Gesesew PhD ),  School of Public Health  ( F H Tesfay PhD), Mekelle University, Mekelle, Ethiopia ;  Kasturba Medical College ,  Mangalore  ( D B B MD ,  R Holla MD ,  A Kamath MD ,  J Padubidri MD ,  P Rathi MD ,  Prof B Unnikrishnan MD )  Prof B Unnikrishnan MD) ,  Centre for Bio Cultural Studies Articles www.