About the Editors Brian L. Strom is Chancellor, Rutgers Biomedical and Health Sciences, University Professor, and Executive Vice President for Health Affairs, Rutgers University, Newark, NJ, USA. Stephen E. Kimmel is Dean’s Professor and Chair of Epidemiology, College of Public Health and Health Professions and College of Medicine, University of Florida, Gainesville, FL, USA. Sean Hennessy is Professor of Epidemiology and Director of the Center for Pharmacoepidemiology Research and Training, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.