- Correspondence to Professor Sónia Dias, Instituto de Higiene e Medicina Tropical & CMDT, Universidade Nova de Lisboa, Rua da Junqueira, 100, Lisboa 1349-008, Portugal; ,
- Received May 29, 2014
- Revised November 9, 2014
- Accepted November 25, 2014
- First published December 15, 2014.
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