[1] Department of Ophthalmology,
[2] Cornea Bank,undefined
[3] University of Hamburg,undefined
[4] Martinistrasse 52,undefined
[5] D-20246 Hamburg,undefined
[6] Germany Tel.: +49-40-428032334 Fax: +49-40-428034481,undefined
[7] Institute of Clinical Physiology,undefined
[8] Clinic Benjamin Franklin,undefined
[9] Freie Universität Berlin,undefined
[10] Berlin,undefined
[11] Germany,undefined
[12] Department of Transfusion Medicine and Transplantation Immunology,undefined
[13] University of Hamburg,undefined
[14] Hamburg,undefined
[15] Germany,undefined
[16] Department of Ophthalmology,undefined
[17] University of Bern,undefined
[18] Bern,undefined
[19] Switzerland,undefined