- Correspondence to Dr Arturo Evangelista, Servei de Cardiologia, Hospital Universitari Vall d’Hebron, Pº Vall d’Hebron 119, Barcelona 08036, Spain;
- Received 21 March 2017
- Revised 3 July 2017
- Accepted 11 July 2017
- Published online 1 September 2017.
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