Text and Data Mining valid from 2019-08-15
Received: 21 June 2019
Accepted: 22 July 2019
First Online: 15 August 2019
Ethics approval and consent to participate
: The work has been done according to Helsinki Declaration and the study’s objectives and procedures were approved by the independent ethics committee at the Algerian National Agency for the Development of Health Research (ANDRS) (reference n°02/07/01/01/076), (since renamed as the Thematic Agency of Research in Health Sciences, ATRSS). All participants provided written informed consent prior to enrolment.
: Not applicable
: The authors declare that they have no competing interests.