[1] Shahid Beheshti Univ, Dept Med Radiat Engn, Tehran 1983969411, Iran
[2] Shahid Beheshti Univ, Fac Comp Sci & Engn, Tehran 1983969411, Iran
[3] Univ British Columbia, Dept Radiol, Vancouver, BC V5Z 1M9, Canada
[4] BC Canc Res Inst, Dept Integrat Oncol, Vancouver, BC V5Z 1L3, Canada
[5] Geneva Univ Hosp, Div Nucl Med & Mol Imaging, CH-1211 Geneva, Switzerland
[6] Univ Groningen, Univ Med Ctr Groningen, Dept Nucl Med & Mol Imaging, NL-9700 RB Groningen, Netherlands
[7] Univ Southern Denmark, Dept Nucl Med, DK-500 Odense, Denmark
[8] Obuda Univ, Univ Res & Innovat Ctr, H-1034 Budapest, Hungary