Funding for this research was provided by:
Division of Intramural Research, National Institute of Allergy and Infectious Diseases
Text and Data Mining valid from 2020-03-17
Received: 13 September 2019
Accepted: 4 March 2020
First Online: 17 March 2020
Ethics approval and consent to participate
: The protocol and study procedures were approved by the institutional review board of the National Institute of Allergy and Infectious Diseases at the US National Institutes of Health (ExternalRef removed ID ExternalRef removed), and the Ethics Committee of the Faculty of Medicine, Pharmacy and Dentistry at the University of Bamako, Mali.
: Not applicable.
: The authors declare that they have no competing interests.