- Correspondence to Vânia Oliveira Carvalho, Division of Pediatric Dermatology, Department of Pediatrics, Federal University of Paraná, Hospital de Clínicas da UFPR, Rua Richard Strauss 62—Vista Alegre, Curitiba, Paraná, Brazil;
- Accepted July 24, 2013
- First published August 13, 2013.
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