Abongwa, Lem Edith https://orcid.org/0000-0001-6231-5647
Nyamache, Anthony Kebira
Torimiro, Judith Ndongo
Okemo, Paul
Charles, Fokunang
Article History
Received: 12 April 2019
Accepted: 5 August 2019
First Online: 15 August 2019
Ethics approval and consent to participate
: The protocol was approved by the National Ethics Committee of Cameroon (N<sup>O</sup>2016/01/685/CF/CNERSH/SP), and all patients gave written informed consent to participate.
: All participants gave their consent to publish their results without personal identification.
: No competing interest exists.