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Authors
Vrettos, Ioannis
Voukelatou, Panagiota
Panayiotou, Stefani
Kyvetos, Andreas
Kalliakmanis, Andreas
Makrilakis, Konstantinos
Sfikakis, Petros P.
Niakas, Dimitris
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Article History
Received: 21 March 2021
Accepted: 2 June 2021
First Online: 29 June 2021
Declarations
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: Ethical approval for this study was obtained from both Institutional Ethical and Scientific Committee of General and Oncology Hospital of Kifissia “Agioi Anargyroi” (approval number: 1494; date of approval: 04/12/2019) and Committee on Bioethics and Deontology of School of Medicine, National and Kapodistrian University of Athens (approval number: 284; date of approval: 25/05/2020). The study was conducted in compliance with the Declaration of Helsinki. Written informed consent was obtained from all participants or their family members, and patients’ anonymity was preserved. Participants or their family members were at any time able to withdraw from the study.
: Not applicable.
: The authors declare that they have no competing interests.
