1. Infectious Disease Epidemiology Group; Weill Cornell Medical College - Qatar; Cornell University, Qatar Foundation - Education City; Doha Qatar
2. Faculty of Epidemiology and Population Health; London School of Hygiene and Tropical Medicine; London UK
3. Department of Healthcare Policy and Research; Weill Cornell Medical College; Cornell University; New York NY USA
4. College of Public Health; Hamad bin Khalifa University; Doha Qatar