Funding for this research was provided by:
JSPS KAKENHI (JP16K18922, JP19K16674, JP15H04659)
Received: 22 November 2019
Accepted: 4 September 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: HIV-1-positive plasma was obtained from HIV-1-infected donors with informed consent by Dr. Shuzo Matsushita (Joint Research Center for Human Retrovirus Infection, Kumamoto University).
: Not applicable.
: The authors declare that they have no competing interests.