1. University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania (J.M.D.)
2. University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (J.N.K., C.W.S., T.D.G., O.C.M., D.C.A.)
3. College of Pharmacy, University of Florida, Gainesville, Florida (W.L.)
4. UPMC Presbyterian Hospital, Pittsburgh, Pennsylvania (C.H.K.)
5. Brown University School of Public Health, Providence, Rhode Island (P.M.)
6. University of Pittsburgh School of Medicine and University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania (C.H.C.)