- Correspondence to Dr Maria Clara de Magalhães Barbosa, Instituto D'Or de Pesquisa e Ensino (IDOR), Rua Diniz Cordeiro 30, Rio de Janeiro, RJ 22281-100, Brazil;
- Received June 30, 2016
- Revised February 5, 2017
- Accepted February 10, 2017
- First published March 16, 2017.
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