1. Department of Blindness and Low Vision Studies, Western Michigan University, 1903 West Michigan Avenue, Kalamazoo, MI 49008
2. Provincial Resource Centre for the Visually Impaired, 106-1750 West 75th Avenue, Vancouver, BC V6P 6G2, Canada
3. Department of Special Education, Rehabilitation, and School Psychology, University of Arizona, P.O. Box 210069, Tucson, AZ 85721-0069
4. Special Education in Visual Impairment, School of Education, North Carolina Central University, 712 Cecil Street, Durham, NC 27707
5. Orientation and mobility specialist, Northern California, Tri-Valley Consultants, Pleasanton, CA