1. Nuclear Medicine/Radiology Department (K.K.W., E.Y., M.D.G.), University of Michigan Hospital, Ann Arbor, Michigan 48109;
2. Nuclear Medicine Service (K.K.W., L.M.F., M.D.G.), Department of Veterans Affairs Health System, Ann Arbor, Michigan 48105;
3. Department of Nuclear Medicine (A.F., D.R.), Radiology, Medical Physics, Santa Maria della Misericordia Hospital, 45100 Rovigo, Italy