Received: 7 September 2021
Accepted: 25 January 2022
First Online: 27 January 2022
: The study was approved by the Institutional Review Board and the Research and Development Department of Clinica Baviera in Spain before recruitment was initiated and followed the stipulations of the Declaration of Helsinki. Written informed consent was obtained from all the participants included in the study after a complete explanation.
: Not applicable.
: The authors have declared that no competing interests exist.