Laura Douglas, MPH¹, Claire Feldman, MPH², Scott Baker, MPH¹, Lani Pasion, BS², Rebecca Braun, MPH², Michelle Cantu, MPH³, Holly Howard, MPH¹, Aileen Barandas, MSN, NP², Joan Chow, MPH, DrPH¹ and Heidi Bauer, MD, MS, MPH¹, 1Sexually Transmitted Disease Control Branch, California Department of Public Health, Richmond, CA, 2Clinical and Community Health Programs, California Family Health Council, Berkeley, CA, 3Clinical and Community Health Programs, California Family Health Council, Los Angeles, CA

Jo Gibbs, MBChB, MSc¹, Lorna Sutcliffe, MSc², Richard E Ashcroft, MA, PhD², Pam Sonnenberg, MB BCh, MSc, PhD³, S Tariq Sadiq, BM, MSc, MD⁴ and Claudia Estcourt, MBBS, MD⁵, 1Centre for Immunology & Infectious Disease, Blizard Institute, Queen Mary University of London, London, United Kingdom, 2Queen Mary University of London, 3Department of Infection and Population Health, University College London, London, United Kingdom, 4St George's University of London, 5Centre for Immunology & Infectious Disease Blizard Institute Barts & The London School of Medicine & Dentistry, Queen Mary University of London & Barts Health NHS Trust, London, United Kingdom

David M. Johnson, MPH¹, Sarah Salomon, MPH², Lee Warner, PhD, MPH³, Alfonso Carlon, BA⁴ and David Fine, PhD², 1Office of Population Affairs, U.S. DHHS Office of Population Affairs, Office of Family Planning, Rockville, MD, 2Cardea Services, Seattle, WA, 3Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, GA, 4Cardea Services, Austin, TX

Karen Peterson, MD, Denver Public Health, Denver Health, Denver, CO and Christie Mettenbrink, MSPH, Public Health Informatics, Denver Public Health, Denver, CO