- Correspondence to Professor Edson Marchiori, Department of Radiology, Federal University of Rio de Janeiro, 438 Rua Thomaz Cameron, Valparaiso, Petrópolis, Rio de Janeiro CEP 25685.120, Brazil;
- Received September 28, 2012
- Revised November 5, 2012
- Accepted December 20, 2012
- First published January 10, 2013.
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