Received: 30 October 2017
Accepted: 12 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: The study obtained the agreement of the Ethics Committee of the Ministry of Health under number 34-MSANP/CE of 17 March 2015 and verbal consent of the participants.
: All authors have read the manuscript and approved the submission.
: The authors declare that they have no competing interests.