1 Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.
2 Division of Vascular Surgery, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
3 Faculty of Medicine, University of Toronto, Toronto, ON, Canada. afsaneh.alavi@mail.utoronto.ca.
4 Division of Dermatology, Department of Medicine, Women's College Hospital, 76 Grenville Street, 5th Floor, Toronto, ON, M5S 1B2, Canada. afsaneh.alavi@mail.utoronto.ca.