1. Department of Internal Medicine; American University of Beirut Medical Center; Beirut Lebanon
2. Faculty of Medicine; American University of Beirut; Beirut Lebanon
3. Family Medicine; American University of Beirut; Beirut Lebanon
4. Biostatistics-Scientific Direction; Regina Elena National Cancer Institute; Rome Italy
5. Division of Medical Oncology 2 - Scientific Direction; IRCCS Regina Elena National Cancer Institute; Rome Italy
6. Buffalo Medical Group; Buffalo New York USA
7. Biostatistics-Scientific Direction; IRCCS Regina Elena National Cancer Institute; Rome Italy
8. Cochrane Australia, School of Public Health and Preventive Medicine; Monash University; Melbourne Australia
9. Cochrane Consumers and Communication, Centre for Health Communication and Participation, School of Psychology and Public Health; La Trobe University; Bundoora Australia
10. Departments of Health Research Methods, Evidence, and Impact and of Medicine; McMaster University; Hamilton Canada