- Correspondence to Fátima Falcão, Serviços Farmacêuticos, Centro Hospitalar de Lisboa Ocidental, Estrada do Forte do Alto do Duque 1495-005 Lisboa, Portugal;
- Received May 30, 2014
- Revised October 9, 2014
- Accepted October 14, 2014
- First published October 28, 2014.
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