Corresponding Author

Department of Psychiatry, University of British Columbia, Vancouver, Canada

Department of Psychiatry, Tanta University, Tanta, Egypt

Correspondence

Mostafa M. Kamel, Addictions and Concurrent Disorders Research Group, Institute of Mental Health, UBC, David Strangway Building, 5950 University Boulevard, Vancouver, BC, V6T 1Z3 Canada.

Email: mostafa.kamel@cheos.ubc.ca