Received: 7 November 2017
Accepted: 20 March 2018
First Online: 24 April 2018
Ethics approval and consent to participate
: All included patients gave informed consent for the intervention and data collection for CNCDC (Centro Nacional de Colecção de Dados em Cardiologia from the Portuguese Society of Cardiology; ExternalRef removed) and the registry procedures are in accordance with the rules of CNPD (Comissão Nacional de Proteccção de Dados – National Committee of Data Protection; ExternalRef removed). The registry was approved by the from the Portuguese Society of Cardiology ethics committee. Protection of human subjects: The authors declare that the procedures followed were in accordance with the regulations of the relevant clinical research ethics committee and with those of the Code of Ethics of the World Medical Association (Declaration of Helsinki). Confidentiality of data: The authors declare that they have followed the protocols of their work center on the publication of patient data.
: Not applicable.
: The authors declare that they have no competing interests.
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