University Hospital Antwerp
Department of Ophthalmology
Wilrijkstraat 10
B-2650 Edegem (Belgium)
University of California San Francisco
Francis I. Proctor Foundation,
95 Kirkham Street,
San Francisco, CA 94122
Peking Union
Medical College Hospital,
Beijing, China
Dept. of Ophthalmology
PO Box 9600
2300 RC Leiden
The Netherlands
Eye & Vision Health
Flinders Medical Centre, Rm 4E-431
Flinders Drive Bedford Park
SA 5042 AUSTRALIA