- Correspondence to Dr Vera P Sarmento, Department of Medicine, Hospital do Espírito Santo de Évora, Serviço de Medicina 2, Lg. Do Sr. da Pobreza, s/n, Évora 7000-811, Portugal;
- Received 15 March 2016
- Revision received 14 December 2016
- Accepted 30 January 2017
- Published online 23 February 2017.
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