1. Department of Psychiatry, University of Alberta, Edmonton, Canada
2. Department of Dermatology and Venereology, Syrian Arab Red Crescent Hospital, Ministry of Health, Damascus, Syria
3. Department of Dermatology and Skin Science, University of British Columbia, Vancouver, Canada
4. Division of Preventive Medicine, Department of Medicine, University of Alberta, Edmonton, Canada
5. ABA, Alberta School of Business, University of Alberta, Edmonton, Canada
6. Scott Health Sciences Library, University of Alberta, Edmonton, Canada
7. Division of Dermatology, Department of Medicine, University of Alberta, Edmonton, Canada