Received: 26 September 2019
Accepted: 1 September 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: Animal housing and all experiments were conducted in conformity with the European Union on Animal Care (CEECouncil 86/609) guidelines adopted by the Institutional Ethics Committee of the Cameroon Ministry of Scientific Research and Technology Innovation (Reg. no. FWA-IRD 0001954, 04/09/2006).
: Not applicable.
: The authors declare that they have no competing interests.