[1] Univ Fed Parana, Dept Pediat, Div Pediat Dermatol, BR-80060000 Curitiba, Parana, Brazil
[2] Univ Fed Parana, Dept Pediat, Div Pediat Infectol, BR-80060000 Curitiba, Parana, Brazil
[3] Univ Fed Parana, Dept Pathol, Div Basic Pathol, BR-80060000 Curitiba, Parana, Brazil
[4] Univ Fed Parana, Div Dermatol, BR-80060000 Curitiba, Parana, Brazil