- Correspondence to: Marsha C Kavanagh UCSF Department of Ophthalmology, 10 Koret Way, Box 0344, San Francisco, CA 94143, USA;
- Accepted January 2, 2006
- First published April 18, 2006.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.