Received: 30 December 2020
Accepted: 7 May 2021
First Online: 24 May 2021
: Approval was obtained from the Athens Medical Center Ethics Committee with reference number: KM140721, which confirms that the study was performed in accordance with the Declaration of Helsinki and hasn’t been granted an exemption from requiring ethics approval.
: The written patient’s consent for treatment, participation and publication was obtained.
: The authors declare that they have no competing interests.