[1] Gen Hosp Athens G Gennimatas, Dept Endocrinol, Athens 11562, Greece
[2] Gen Hosp Athens G Gennimatas, Dept Ophthalmol, Athens 11562, Greece
[3] Univ Wisconsin, Dept Surg, Madison, WI USA
[4] Gen Hosp Athens G Gennimatas, Dept Radiol, Athens 11562, Greece
[5] Univ Athens, Dept Pathophysiol, Athens, Greece