1Division of Dermatology, Memorial University, St. John's, Newfoundland, Canada
2NewLab Clinical Research, St. John's, Newfoundland, Canada
3Brunswick Dermatology Center, Fredericton, New Brunswick, Canada
4Probity Medical Research, Waterloo, Ontario, Canada
5Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
6NL Clinical Trials Inc, St. John's, Newfoundland, Canada
7Division of Dermatology, Department of Internal Medicine, Memorial University, St. John's, Newfoundland, Canada
8Department of Medicine, Section of Dermatology, SKiNWISE Dermatology and Wiseman Dermatology Research, University of Manitoba, Winnipeg, Manitoba, Canada
9Beacon Dermatology, Calgary, AB; Probity Medical Research, Waterloo, Ontario, Canada
10Women's College Hospital, Toronto, Ontario, Canada
11Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
12Sunnybrook Research Institute, Toronto, Ontario, Canada