Chip Walter, MDClinical Core Principal Investigator Kenneth Schmader, MDClinical Core Co-Investigator Christopher Wildrick WoodsWolfgang Joklik Distinguished Professor of Global Health Geeta Krishna SwamyHaywood Brown, MD Distinguished Professor of Women's Health Chris Todd, MPHDirector of Program Management Kristen GunnellScientific Program Leader Lynn Harrington, BSNResearch Practice Manager Clinical Core Collaborators Patricia Winokur, MD, University of Iowa Christopher Chiu, MRCP, PhD, Imperial College London