- Address correspondence and reprint requests to Victor Hugo Melo, DSc, School of Medicine, Federal University of Minas Gerais, Av Alfredo Balena 190, Second Floor, Belo Horizonte, Minas Gerais, Brazil 30130-100. E-mail: .
- Received January 21, 2011
- Accepted June 10, 2012
- First published October 1, 2012.
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