1 Division of Infectious Diseases, Department of Medicine and Center for Dissemination and Implementation, Institute for Public Health, Washington University in St. Louis, St. Louis, Missouri, United States of America.
2 Center for Global Health and Quality, Georgetown University Department of Medicine, Washington, DC.
3 Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America.
4 School of Nursing and Public Health, University of KwaZulu Natal, Republic of South Africa.
5 Center for Infectious Diseases Research in Zambia, Lusaka, Zambia.
6 Division of Biostatistics, School of Public Health, University of California Berkeley, Berkeley, California, United States of America.