Received: 5 August 2019
Accepted: 19 November 2019
First Online: 27 November 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This study was approved by the Institutional Ethics Committee of the Hospital of Padova, Italy, (protocol number 2208P and successive amendments). The investigation was performed according to the principles of the Declaration of Helsinki.
: All patients provided signed informed consent at enrollment.