Grosjean, Fabrizio
De Amici, Mara
Klersy, Catherine
Marchi, Gianluca
Sciortino, Antonio
Spaltini, Federica
Pin, Maurizio
Grazioli, Valentina
Celentano, Anna
Vanini, Benedetta
Testa, Giorgia
Sepe, Vincenzo
Rampino, Teresa
D’Armini, Andrea Maria
Article History
Received: 18 June 2018
Accepted: 10 September 2018
First Online: 18 September 2018
Compliance with ethical standards
:
: Andrea Maria D’Armini: Actelion Pharmaceuticals Ltd, Bayer HealthCare, Merk Sharp Dohme. Catherine Klersy, Statistical consultant for Livanova (occasional).
: This retrospective study was approved by our Institutional Ethic Committee (protocol number 20150016628) and all the procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent was not required.