1 Division of HIV, ID and Global Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, CA, USA.
2 Division of HIV, ID and Global Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, United Nations Secretary-General's Special Envoy on Tuberculosis, San Francisco, CA, USA. david.mckey@ucsf.edu.