1 Seva Foundation and California Pacific Medical Center, Pacific Eye Associates, San Francisco, CA 94115, USA. Electronic address: davidheiden@gmail.com.
2 Southern Africa Medical Unit, Médecins Sans Frontières, Cape Town, South Africa.
3 Medical Action Myanmar, Yangon, Myanmar.
4 International AIDS Society, Geneva, Switzerland.
5 Médecins Sans Frontières Access Campaign, Geneva, Switzerland.
6 TREAT Asia, amfAR (The Foundation for AIDS Research), Bangkok, Thailand.
7 Department of Ophthamology, Jules Stein Eye Institute, University of California Los Angeles, Los Angeles, CA, USA.
8 Clinical Virology Laboratory, San Francisco, CA, USA.