1. Center for Evaluation of Environmental Impact on Human Health (TOXICAM), Department of Pathology, Botucatu Medical School, São Paulo State University (UNESP), Botucatu, 18618-687, São Paulo, Brazil
2. Department of Dermatology and Radiotherapy, Botucatu Medical School, São Paulo State University (UNESP), Botucatu, 18618-687, São Paulo, Brazil
3. Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, 68105, NE, USA