1. Department of Special Education, College of Education, University of Illinois at Urbana–Champaign, 1310 South Sixth Street, Room 288, Champaign, IL 61820;
2. Principal, Hadley School for the Blind–China, 208 Building One, Wanlong Garden, 286 Yangqiao Zhonglu, Fuzhou, Fujian 350002, People's Republic of China;