Funding for this research was provided by:
Hellenic Foundation for Research and Innovation (1722)
Received: 8 July 2020
Accepted: 7 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Institutional Review-Board of the University Hospital of Heraklion, Crete (decision number 1476/20-03-2012). Participants provided informed consents.
: Not applicable.
: The authors declare that they have no competing interests.