1 Infectious Disease Epidemiology Group, Weill Cornell Medicine-Qatar, Cornell University, PO Box 24144, Doha, Qatar; World Health Organization Collaborating Centre for Disease Epidemiology Analytics on HIV/AIDS, Sexually Transmitted Infections, and Viral Hepatitis, Weill Cornell Medicine-Qatar, Cornell University, Qatar Foundation, Education City, PO Box 24144 Doha, Qatar; Department of Population Health Sciences, Weill Cornell Medicine, Cornell University, New York, NY 10065, NY, USA. Electronic address: hsc2001@qatar-med.cornell.edu.
2 Infectious Disease Epidemiology Group, Weill Cornell Medicine-Qatar, Cornell University, PO Box 24144, Doha, Qatar; World Health Organization Collaborating Centre for Disease Epidemiology Analytics on HIV/AIDS, Sexually Transmitted Infections, and Viral Hepatitis, Weill Cornell Medicine-Qatar, Cornell University, Qatar Foundation, Education City, PO Box 24144 Doha, Qatar; Department of Population Health Sciences, Weill Cornell Medicine, Cornell University, New York, NY 10065, NY, USA; Department of Public Health, College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar.