1 Department of Epidemiology and Population Health, Faculty of Health Sciences, American University of Beirut, Riad El-Solh, Beirut 1107 2020, Lebanon.
2 Magdalene College and Department of Sociology, University of Cambridge, Cambridge, UK.
3 Center for Population and Development Studies, Harvard T H Chan School of Public Health, Harvard University, Cambridge, MA, USA.
4 KCL Institute of Cancer Policy, King's College London, London, UK.
5 Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, UK.
6 University Libraries, American University of Beirut, Beirut, Lebanon.
7 Department of Epidemiology and Population Health, Faculty of Health Sciences, American University of Beirut, Riad El-Solh, Beirut 1107 2020, Lebanon. Electronic address: jd16@aub.edu.lb.