Funding for this research was provided by:
Congressionally Directed Medical Research Programs (CDMRPL-16-0-PR141035A)
Received: 24 June 2020
Accepted: 4 September 2020
First Online: 16 September 2020
Ethics approval and consent to participate
: The study was performed according to the Declaration of Helsinki and International Conference on Harmonization Good Clinical Practice Guidelines. The clinical protocol was reviewed and approved by the WRAIR and Uniformed Services University of the Health Services Institutional Review Boards. The study was also conducted in accordance with US FDA regulations. All participants provided written informed consent prior to participating in any study activities.
: Not applicable.
: The authors declare that they have no competing interests.