Sandro Gsteiger, PhD, Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland, Janneke Heijne, PhD, National Institute for Public Health and the Environment, Bilthoven, The Netherlands, Patrick Chaulk, MD, Baltimore City Health Department, William Miller, MD, PhD, Department of Epidemiology, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC and Nicola Low, MD, Institute of Social and Preventive Medicine, University of Bern, Switzerland

Lindley Barbee, MD, MPH, Department of Medicine, Division of Allergy and Infectious Disease, University of Washington & Public Health -- Seattle & King County HIV/STD Program, Seattle, WA, Susana Tat, BA, School of Public Health, University of Washington, Seattle, WA, Shireesha Dhanireddy, MD, Department of Medicine, Division of Allergy and Infectious Diseases, University of Washignton, Seattle, WA and Jeanne Marrazzo, MD, MPH, Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, WA

Andrea Des Marais, MPH¹, Virginia Senkomago, PhD, MPH¹, Craig Hill, PhD², Lynn Barclay, BA³ and Jennifer Smith, PhD, MPH¹, 1Department of Epidemiology, Gillings School of Global Public Health at the University of North Carolina, Chapel Hill, Chapel Hill, NC, 2Scientific Affairs, Hologic Gen-Probe, San Diego, CA, 3American Sexual Health Association, Research Triangle Park, NC

Charlotte Gaydos, MS, MPH, DrPH¹, Mathilda Barnes, MS, CCRP¹, Perry Barnes, BS¹, Laura Dize, BS¹, Yu-Hsiang Hsieh, PhD² and Vincent Marsiglia, MT (ASCP), DLM (ASCP), MHA³, 1Department of Medicine, Division of Infectious Diseases, Johns Hopkins University, Baltimore, MD, 2School of Medicine, Department of Emergency Medicine, Johns Hopkins University, Baltimore, MD, 3BDC Laboratory, Baltimore City Health Department, Baltimore, MD

Lisa Natoli, MPH¹, Lisa Maher, PhD², John Kaldor, PhD³, James Ward, BA⁴, Mark Shephard, PhD OAM⁵, David Anderson, PhD⁶ and Rebecca Guy, PhD³, 1Office for Business Development, Innovation and Research, Burnet Institute, on behalf of the TTANGO Investigator Group, Melbourne, Victoria, 3001, Australia, 2University of New South wales, Kirby Institute, 3Kirby Institute, University of New South Wales, Sydney, Australia, 4Baker IDI Alice Springs, 5Flinders University, 6Burnet Institute