1. Departments of Surgery (L.Y., A.S.K., K.L.M., M.T.S., S.E.C.), Pittsburgh, Pennsylvania 15213
2. Department of Medicine, Section on Decision Sciences and Clinical Systems Modeling (C.F., K.J.S.), University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15213
3. Endocrinology (S.P.H.), Pittsburgh, Pennsylvania 15213
4. Pathology (M.N.N., Y.E.N.), Pittsburgh, Pennsylvania 15213