1 From the Department of Ophthalmology, Federal University of Goias, Goiania, Brazil; Shiley Eye Institute, University of California San Diego, La Jolla, CA. Electronic address: llando@ucsd.edu.
2 From the Department of Ophthalmology, Federal University of Goias, Goiania, Brazil.
3 Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand; Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, U.K.; Harvard TH Chan School of Public Health, Harvard University, Boston, MA.