1. The Ohio State University College of Optometry Columbus Ohio USA
2. Pennsylvania College of Optometry Salus University Elkins Park Pennsylvania USA
3. Akron Children's Hospital Akron Ohio USA
4. Indiana University Bloomington Bloomington Indiana USA
5. Spencer Center for Vision Research, Byers Eye Institute at Stanford University Palo Alto California USA
6. Medical University of South Carolina Albert Florens Storm Eye Institute Charleston South Carolina USA
7. Viterbi Family Department of Ophthalmology, Ratner Children's Eye Center University of California San Diego La Jolla California USA
8. Illinois College of Optometry Chicago Illinois USA
9. University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA
10. Berkeley School of Optometry University of California Berkeley California USA
11. New England College of Optometry Boston Massachusetts USA