1. Pathology and Laboratory Medicine, Medical University of South Carolina
2. Center for Genomic Medicine, Medical University of South Carolina
3. Storm Eye Institute/Department of Ophthalmology, Medical University of South Carolina
4. Genetics and Metabolism, National Children's Hospital, San José, Costa Rica
5. Caja Costarricense del Seguro Social
6. Department of Medicine, Medical University of South Carolina
7. Institute for Global Food Security, Queen's University Belfast
8. Division of Ophthalmology, National Children's Hospital, San José, Costa Rica