Received: 15 March 2021
Accepted: 31 August 2021
First Online: 24 September 2021
: The authors report no conflicts of interest.
: The study protocol conformed to the ethical guidelines of the 1975 Helsinki Declaration and was approved by the Ethics Committee of “Attikon” University Hospital.
: All authors have read and approved the manuscript.
: The data that support the findings of this study are available from the corresponding author, [AT], upon reasonable request.