Funding for this research was provided by:
National Institutes of Health (R01AI100968, U19AI129387)
Received: 9 September 2019
Accepted: 22 January 2020
First Online: 14 February 2020
Ethics approval and consent to participate
: All the work involving the use of human volunteers in experimental homes and HLCs was approved by the ethical review committee of the University of Sciences Techniques and Technology (IRB 2015/107/CE/FMPOS).
: All authors contributed to the interpretation of the data and approved the final manuscript.
: The authors declare that they have no competing interests.