Declaration of interest
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
Author contribution
Literature search: P.I. Georgianos; C Kourtidou; Writing the initial draft of the manuscript: P.I. Georgianos; C Kourtidou; Reviewing and Editing the manuscript: M Divani; V Liakopoulos; Supervision: V Liakopoulos.
Reviewer disclosures
Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.