Funding for this research was provided by:
Sapienza Università di Roma (RM11615506189BE0, RM11715C81DDD2F3, RM11816432E08126)
Received: 25 July 2019
Accepted: 9 October 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethics committees of Umberto I Academic Hospital (licence n. 4836) in accordance with the ethical guidelines of the Declaration of Helsinki. Written informed consents were obtained from the patients after declaring the objectives of the present study.
: Not Applicable.
: The authors declare that they have no competing interests.