1. Department of Psychology University of Minnesota, Minneapolis, Minnesota, United States
2. School of Optometry, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
3. Department of Psychology, The University of Hong Kong, Hong Kong, China
4. Department of Ophthalmology, University of Alabama at Birmingham, Birmingham, Alabama, United States
5. Department of Psychology, SUNY College at Plattsburgh, Plattsburgh, New York, United States
6. Division of Optometry and Visual Science, City University London, London, United Kingdom
7. College of Optometry, The Ohio State University, Columbus, Ohio, United States