Fengchen Liu
Fengchen Liu
1F.I. Proctor Foundation, University of California San Francisco, 513 Parnassus, Medical Sciences 309A, San Francisco, CA 94143-0944 USA
1,
Travis C Porco
Travis C Porco
1F.I. Proctor Foundation, University of California San Francisco, 513 Parnassus, Medical Sciences 309A, San Francisco, CA 94143-0944 USA
2Department of Ophthalmology, University of California San Francisco, San Francisco, CA USA
3Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA USA
1,2,3,
Abdou Amza
Abdou Amza
4Programme FSS/Université Abdou Moumouni de Niamey, Programme National de Santé Oculaire, Niamey, Niger
4,
Boubacar Kadri
Boubacar Kadri
4Programme FSS/Université Abdou Moumouni de Niamey, Programme National de Santé Oculaire, Niamey, Niger
4,
Baido Nassirou
Baido Nassirou
4Programme FSS/Université Abdou Moumouni de Niamey, Programme National de Santé Oculaire, Niamey, Niger
4,
Sheila K West
Sheila K West
5Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, Johns Hopkins University, Baltimore, MD USA
5,
Robin L Bailey
Robin L Bailey
6Clinical Research Unit, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
6,
Jeremy D Keenan
Jeremy D Keenan
1F.I. Proctor Foundation, University of California San Francisco, 513 Parnassus, Medical Sciences 309A, San Francisco, CA 94143-0944 USA
2Department of Ophthalmology, University of California San Francisco, San Francisco, CA USA
1,2,
Thomas M Lietman
Thomas M Lietman
1F.I. Proctor Foundation, University of California San Francisco, 513 Parnassus, Medical Sciences 309A, San Francisco, CA 94143-0944 USA
2Department of Ophthalmology, University of California San Francisco, San Francisco, CA USA
3Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA USA
1,2,3,✉
1F.I. Proctor Foundation, University of California San Francisco, 513 Parnassus, Medical Sciences 309A, San Francisco, CA 94143-0944 USA
2Department of Ophthalmology, University of California San Francisco, San Francisco, CA USA
3Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA USA
4Programme FSS/Université Abdou Moumouni de Niamey, Programme National de Santé Oculaire, Niamey, Niger
5Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, Johns Hopkins University, Baltimore, MD USA
6Clinical Research Unit, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
Received 2016 May 11; Accepted 2016 May 11; Collection date 2016.
© Liu et al. 2016
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.