[1] Univ Sao Paulo, Ribeirao Preto Med Sch, Dermatol Div, Dept Med Clin, Av Bandeirantes 3900, BR-14049900 Ribeirao Preto, SP, Brazil
[2] Ctr Univ Barao Maua, Med Sch, Ribeirao Preto, SP, Brazil
[3] Minist Hlth, Carlos Tortelly Municipal Hosp, AIDS Div, Niteroi, RJ, Brazil
[4] Int Fdn Dermatol, London, England
[5] Santa Casa Misericordia Rio De Janeiro, Inst Dermatol Prof Rubem David Azulay, Rio De Janeiro, Brazil
[6] Fed Univ State Rio De Janeiro, Gaffree & Guinle Univ Hosp, Dermatol Dept, Rio De Janeiro, Brazil
[7] Fed Univ Para, Dermatoimmunol Lab, Marituba, Para, Brazil
[8] Fed Univ Para, Spatial Epidemiol Lab, Castanhal, Para, Brazil