1. From the University of Rochester School of Medicine, Rochester, NY (A.R.F.); Janssen Vaccines and Prevention, Leiden, the Netherlands (K.W., A.R.B., J.S., M.D., B.C., C.A.C., E.H.); Janssen Infectious Diseases, Beerse, Belgium (E.G., J.M., E.D.P., S.V.); Trial Professionals Consultant Group, Woodstock, MD (S.B.); AMR Kansas City, Kansas City, MO (J.E.); and Janssen Global Services, Raritan, NJ (E.K.H.C.).