Funding for this research was provided by:
Received: 18 June 2018
Accepted: 13 May 2019
First Online: 17 June 2019
Ethics approval and consent to participate
: Ethical approval has already been obtained from the Ethics Committee of the University Hospital of Patras (approval number: 36/ 02-03-2016). The decision was published in the Greek Transparency Portal, called “diavgeia” in 22-04-2016, with a unique Internet Uploading Number that is ADA:6ΝΩ346906Γ-Φ6Ω. Patients’ written informed consent was obtained by a suitably qualified member of the research team at study entry.
: not applicable.
: The authors declare that they have no competing interests.