Russo, Mark W. M.D., M.P.H.; Gaynes, Bradley N. M.D., M.P.H.; Drossman, Douglas A. M.D.
From the Departments of Medicine (M.W.R., D.A.D.) and Psychiatry (B.N.G., D.A.D.), University of North Carolina, Chapel Hill, NC.
Supported by the National Institutes of Health grant no. DK-34987 (M.W.R.) and the Robert Wood Johnson Foundation while Dr. Gaynes was a Robert Wood Johnson Clinical Scholar.
Address correspondence and reprint requests to Dr. Mark W. Russo, Cornell Medical Center-New York Hospital, Division of Gastroenterology and Hepatology, 525 East 68th Street, Room F231, New York, NY 10021.