Institution: | aDepartment of Nuclear Medicine, the Union Memorial Hospital, Baltimore, Md., USA bDivision of Nuclear Medicine, Department of Radiology, the Johns Hopkins Medical Institutions, Baltimore, Md., USA cNuclear Medicine Department, Beilinson 0272 D1 Hospital, Petah-Tikva, Israel 0272 D1 dDepartment of Nuclear Medicine, Washington Hospital Center, Washington, D.C., USA |