1. Department of Infectious Disease Epidemiology and International Health, Faculty of Epidemiology and Population Health, The London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK
2. Health in Humanitarian Crises Centre, The London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK
3. Independent Consultant in Public Health, Oxfordshire OX4 4ER, UK
4. Syria Research Group (SYRG), Co-Hosted by the London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK and Saw Swee Hock School of Public Health, National University of Singapore, Singapore 117549, Singapore
5. School of Health Sciences, Ahfad University for Women (AUW), Omdurman P.O. Box 167, Sudan
6. Department of Global Health and Development, Faculty of Public Health and Policy, The London School of Hygiene & Tropical Medicine, London WC1H 9SH, UK
7. School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, NSW 2050, Australia
8. Department of Women’s and Children’s Health, Uppsala University, 751 23 Uppsala, Sweden