1. Department of Anatomy, Laboratory of Functional Neuroanatomy of Pain, Sao Paulo, Brazil
2. Professor of Anatomy from University Nine of July, Sao Paulo, Brazil
3. Department of Physiology and Biophysics, Laboratory of Cellular Neurobiology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
4. Laboratory of Functional Neuroanatomy of Pain Department of Anatomy Institute of Biomedical Sciences, University of São Paulo, Av. Prof. Lineu Prestes, Sao Paulo 2415 05508-900, Brazil