Received: 22 February 2021
Accepted: 7 July 2021
First Online: 30 July 2021
: Ethics approval granted by the Victoria University Ethics Committee. The current study only involved adult subjects (+ 18 years old) and informed consent was obtained in all cases.
: All authors of the manuscript have read and agreed to its content and are accountable for all aspects of the accuracy and integrity of the manuscript in accordance with ICMJE criteria. All methods were carried out in accordance with relevant guidelines and regulations.
: Dr. Vasielios Stavropoulos is an associate editor of BMC. All other authors have not competing interests.