1. From the Departments of Endocrinology (M.K.P., J.E.H., H.B.-N.), Nuclear Medicine (A.J., P.F.H.-C.), and Cardiology (J.D., T.H.), Odense University Hospital, Odense, Denmark; the Department of Statistics (O.G., W.V.), University of Southern Denmark, Odense, Denmark; and the Department of Cardiology (J.E.), Copenhagen University Hospital, Rigshospitalet, Denmark.