[1] Rio de Janeiro State Univ UERJ, Dept Dermatol, Blvd 28 Setembro 77, BR-20551031 Rio De Janeiro, RJ, Brazil
[2] Sao Paulo State Univ UNESP, Dept Dermatol, Botucatu, SP, Brazil
[3] Fed Univ Minas Gerais UFMG, Prevent & Social Med Dept, Belo Horizonte, MG, Brazil
[4] Grand River Hosp, Kitchener Waterloo, ON, Canada
[5] St Marys Gen Hosp, Kitchener Waterloo, ON, Canada