1. Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
2. School of Public Health, Faculty of Medicine, Lambung Mangkurat University, Banjarbaru, Indonesia
3. GWL-INA Network, Jakarta, Indonesia
4. Department of Infectious Diseases and Microbiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
5. Center for LGBT Health Research, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA