University of Ottawa Eye Institute Ottawa, Ontario Canada
Original study reprint requests: Joo Yeon Lee, Section of Pediatric Ophthalmology and Strabismus, Hallym University Sacred Heart Hospital, 896 Pyeong-chon-Dong, Dong-an-Gu, Anyang-City, Gyeong-gi-Do, 431-070, Republic of Korea (South Korea). E-mail address: [email protected].