Received: 8 December 2020
Accepted: 10 March 2021
First Online: 11 June 2021
: The authors report no conflict of interest related to this work.
: All analyses were based on previous published studies, thus no ethical approval and patient consent are required.
: Informed consent was obtained from all individual participants included in the study.
: This manuscript has been approved by all the co-authors and has not been published before.