1. Jennifer E. Gerber, PhD, MSc, was a PhD Student and Graduate Research Assistant at the time of the study, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD. She is now an Epidemiologist, RTI International, Washington, DC. Gail Geller, ScD, MHS, is a Professor, Department of Health, Behavior, and Society and Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health; Professor, Department of Medicine, Johns Hopkins School of...