- Correspondence to Dr Daniel Caldeira, Laboratório de Farmacologia Clínica e Terapêutica, Faculdade de Medicina da Universidade de Lisboa, Av. Prof. Egas Moniz, Lisboa 1649-028, Portugal;
- Received January 18, 2015
- Revised April 16, 2015
- Accepted May 6, 2015
- First published June 2, 2015.
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