- Correspondence to Dr Maria Clara de Magalhães-Barbosa, Department of Paediatrics, Instituto D’Or de Pesquisa e Ensino (IDOR), Rio de Janeiro, RJ 22281-080, Brazil;
- Received May 15, 2016
- Revised July 31, 2017
- Accepted August 1, 2017
- First published October 4, 2017.
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