[1] Fed Univ Para, Lab Dermatoimunol, Inst Ciencias Biol, Marituba, Para, Brazil
[2] Fed Univ Para, Campus Castanhal, BR-66059 Belem, Para, Brazil
[3] Univ Sao Paulo Ribeirao Preto, Fac Med, Dept Dermatol, Sao Paulo, Brazil
[4] Colorado State Univ, Dept Microbiol Immunol & Pathol, Ft Collins, CO 80523 USA