1 Serviço de Cardiologia, Centro Hospitalar de Entre o Douro e Vouga, Santa Maria da Feira, Portugal; Serviço de Cardiologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal; Department of Cardiology, Thoraxcenter, Erasmus Medical Center, Rotterdam, The Netherlands. Electronic address: joanamsbgribeiro@gmail.com.
2 Department of Cardiology, Thoraxcenter, Erasmus Medical Center, Rotterdam, The Netherlands.