Received: 16 July 2019
Accepted: 18 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: St. Marc Medical Center Research and Ethics Committee (SMMC-RE02–01/09; granted on 7 March 2009) approved the study protocol, and all participating subjects agreed to voluntarily participate in the study by signing a consent form.
: Not applicable.
: The authors declare that they have no competing interests.