[1] Tata Mem Hosp Annexe, Bhabha Atom Res Ctr, Radiat Med Ctr, Bombay 400012, Maharashtra, India
[2] Univ Hosp Geneva, Div Nucl Med & Mol Imaging, CH-1211 Geneva, Switzerland
[3] Univ Geneva, Geneva Neurosci Ctr, CH-1205 Geneva, Switzerland
[4] Hosp Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
[5] Odense Univ Hosp, Dept Nucl Med, DK-5000 Odense, Denmark