Funding for this research was provided by:
Hellenic Foundation for Research and Innovation (904)
Received: 15 May 2021
Accepted: 11 August 2021
First Online: 19 August 2021
: The authors declare no conflict of interest.
: The study was in accordance with the ethical standards of our institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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