1 Department of Medicine (Asai), Queen's University, Kingston, Ont.; private practice (Baibergenova), Markham, Ont.; Dermatology (Dutil), Women's College Hospital, University of Toronto, Toronto, Ont.; Department of Dermatology and Skin Science (Humphrey), University of British Columbia, Vancouver, BC; Dermatology (Hull), University of Saskatchewan, Saskatoon, Sask.; Department of Medicine (Lynde), University of Toronto, Toronto, Ont.; Centre dermatologique du Québec (Poulin), Laval University, Laval, Que.; Dermatology and Clinical Pharmacology (Shear), Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ont.; Department of Medicine (Tan), University of Western Ontario, Windsor, Ont.; Section of Dermatology (Toole), Department of Medicine, University of Manitoba, Winnipeg, Man.; Division of Dermatology (Zip), Department of Medicine, University of Calgary, Calgary, Alta.
2 Department of Medicine (Asai), Queen's University, Kingston, Ont.; private practice (Baibergenova), Markham, Ont.; Dermatology (Dutil), Women's College Hospital, University of Toronto, Toronto, Ont.; Department of Dermatology and Skin Science (Humphrey), University of British Columbia, Vancouver, BC; Dermatology (Hull), University of Saskatchewan, Saskatoon, Sask.; Department of Medicine (Lynde), University of Toronto, Toronto, Ont.; Centre dermatologique du Québec (Poulin), Laval University, Laval, Que.; Dermatology and Clinical Pharmacology (Shear), Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ont.; Department of Medicine (Tan), University of Western Ontario, Windsor, Ont.; Section of Dermatology (Toole), Department of Medicine, University of Manitoba, Winnipeg, Man.; Division of Dermatology (Zip), Department of Medicine, University of Calgary, Calgary, Alta. jerrytan@bellnet.ca.