Text and Data Mining valid from 2019-08-08
Received: 29 May 2019
Accepted: 1 August 2019
First Online: 8 August 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of the Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon under the ethical clearance No 361/CIERSH/DM/2018. Administrative authorizations were equally obtained from the directorate of all five participating hospitals before the beginning of the study. Written consent to participate was obtained from all participants before their enrolment into the study.
: Not applicable.
: The authors declare that they have no competing interests.