About the Authors

Caleb Mpyet

mpyetc@yahoo.com

Affiliation Department of Ophthalmology, Jos University Teaching Hospital, Jos, Nigeria

Barka David Lass

Affiliation Department of Ophthalmology, Bingham University Teaching Hospital, Jos, Nigeria

Hadi B. Yahaya

Affiliation Department of Ophthalmology, Murtala Mohammed Specialist Hospital, Kano, Nigeria

Anthony W. Solomon

Affiliation Department of Clinical Research, London School of Hygiene & Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CM . Performed the experiments: CM BDL HBY. Analyzed the data: CM. Contributed reagents/materials/analysis tools: CM AWS. Wrote the paper: CM BDL HBY AWS.