[1] Venizeleio Gen Hosp Herakl, Dept Ophthalmol, Iraklion 71409, Greece
[2] Univ Crete, Sch Med, Dept Radiol, Iraklion 71003, Greece
[3] Fdn Res & Technol Hellas FORTH, Computat Biomed Lab CBML, N Plastira 100, Iraklion 70013, Greece
[4] Evangelismos Med Ctr, Dept CT MRI & PET CT, Athens 10676, Greece
[5] Univ Crete, Sch Med, Dept Ophthalmol, Iraklion 71003, Greece
[6] Univ Crete, Sch Med, Dept Surg Oncol, Iraklion 71003, Greece
[7] NIH, Positron Emiss Tomog Dept, CC, Bethesda, MD 20814 USA
[8] UCF, CRCV, Orlando, FL 32816 USA
[9] Univ Crete, Sch Med, Dept Med Phys, Iraklion 71003, Greece
[10] Univ Crete, Sch Med, Lab Clin Virol, Iraklion 71003, Greece
[11] Univ Crete, Sch Med, Lab Forens Sci & Toxicol, Iraklion 71003, Greece