[1] Univ Toronto, Dept Med Dermatol, Toronto, ON, Canada
[2] Univ Toronto, Dalla Lana Fac Publ Hlth, Med & Publ Hlth, Toronto, ON, Canada
[3] Univ Toronto, Dalla Lana Fac Publ Hlth, Int Interprofess Wound Care Course IIWCC & Master, Toronto, ON, Canada
[4] John H Stroger Jr Hosp Cook Cty, Div Dermatol, Chicago, IL USA
[5] Tufts Univ, Dept Dermatol, Boston, MA 02111 USA
[6] Brown Univ, Dept Dermatol, Providence, RI 02912 USA
[7] Univ Toronto, Dept Dermatol, Toronto, ON, Canada
[8] Univ Calif San Francisco, Sch Med, Dept Dermatol, San Francisco, CA 94143 USA