Kamga, Samuel F.
Ndjomatchoua, Frank T.
Guimapi, Ritter A.
Klingen, Ingeborg
Tchawoua, Clément
Hjelkrem, Anne-Grete Roer
Thunes, Karl H.
Kakmeni, Francois M.
Funding for this research was provided by:
Royal Norwegian Embassy in Bamako (MLI-17-008)
Volkswagen Foundation (VW-89362)
Article History
Received: 25 October 2021
Accepted: 21 April 2022
First Online: 9 May 2022
Competing interests
: The authors declare no competing interests.