1. Division of Global Public Health, Department of Medicine, University of California San Diego, La Jolla, CA, USA
2. Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA
3. Department of Medicine, Weill Cornell Medical College, NY, USA
4. Les Centres GHESKIO, Port-au-Prince, Haiti
5. Department of Health Policy, Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA, USA