1. Division of HIV, ID, and Global Medicine, University of California, San Francisco and Zuckerberg San Francisco General Hospital
2. Centre for Infectious Diseases Research in Zambia, Lusaka, Zambia
3. Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland
4. Division of Infectious Diseases, University of Alabama, Birmingham
5. Division of Epidemiology, University of California, Berkeley