1. School of Optometry, University of Alabama at Birmingham, Birmingham, Alabama, United States
2. College of Optometry, Ohio State University, Columbus, Ohio, United States
3. Southern California College of Optometry, Marshall B. Ketchum, Fullerton, California, United States
4. The Ocular Surface Institute, College of Optometry, University of Houston, Houston, Texas, United States
5. Centre for Ocular Research and Education (CORE), School of Optometry and Vision Science, University of Waterloo, Waterloo, Ontario, Canada