Received: 19 May 2019
Accepted: 13 November 2019
First Online: 25 November 2019
Ethics approval and consent to participate
: The study protocol was approved by the Local Clinical Research Ethics Committee, Sapienza University of Rome. The study conforms to the principles outlined in the Declaration of Helsinki and we obtained a written consent by each patient enrolled.
: Not applicable.
: The authors report no conflicts of interest. All authors must disclose any financial and personal relationships with other people or organisations that could inappropriately influence (bias) their work. The manuscript is not under consideration for publication elsewhere.