1 Center for Healthy Communities, Department of Social Medicine and Population Health, UCR School of Medicine, Riverside, CA, USA. Electronic address: brandonb@ucr.edu.
2 Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA; Socios En Salud, Sucursal Peru, Lima, Peru.
3 University of California, San Diego School of Medicine, Division of Global Public Health, UC San Diego Central Research Services Facility, La Jolla, CA, USA.
4 Yale School of Public Health, New Haven, CT, USA.