1. Department of Medical Statistics & Epidemiology, Hamad Medical Corporation & Department of Public Health, Weill Cornell Medical College, Doha, Qatar
2. Department of Evidence for Population Health Unit, School of Epidemiology and Health Sciences, The University of Manchester, Manchester, UK
3. Department of Medical Education, Weill Cornell Medical College, Qatar
4. Department of Psychiatry, Rumeilah Hospital, Hamad Medical Corporation, Qatar
5. Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada