| Affiliation: | Current affiliations: Wellman Center for Photomedicine (D.K., M.J.S., H.Y., B.E.B., G.J.T.), Department of Dermatology (D.K., M.J.S., H.Y., B.E.B.), Gastrointestinal Unit (W.P.P., N.S.N.), and Department of Pathology (M.M.K., G.Y.L., G.J.T.), Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, Department of Engineering Physics (C.B.), Ecole Polytechnique Montreal, Montreal, Quebec, Canada, Division of Gastroenterology, Hepatology, and Nutrition (P.S.Y.), Vanderbilt University Medical Center, Nashville, Tennessee, USA |
