Received: 23 July 2020
Accepted: 25 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: The study was conducted in strict accordance with the ethical guidelines in the Declaration of Helsinki and was approved by the Human Research Ethics Committee at “Città della Salute e della Scienza” hospital (registration number 0077310). All participants were informed about the study and consented to participation.
: Not applicable.
: All the co-authors declare no financial competing interests nor any relevant conflicts of interests associated with this work.