1. College of Optometry, University of Houston, Texas, United States 2Vision Cooperative Research Centre, Sydney, Australia
2. Center for Myopia Research, School of Optometry, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong 4State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People's Republic of China
3. Vision Cooperative Research Centre, Sydney, Australia