1. University of Toronto,Department of Occupational Science & Occupational Therapy,Toronto,Canada
2. E. Murray Consulting,Toronto,Canada
3. Canadian National Institute for the Blind, Queens University,Faculty of Health Sciences,Department of Ophthalmology,Kingston,Canada
4. Boston University,Department of Occupational Therapy,Boston,USA
5. University of Bamenda,Faculty of Arts,Bamenda,Cameroon
6. STARC Enterprise,Bamenda,Cameroon