Received: 6 February 2022
Accepted: 5 July 2022
First Online: 21 July 2022
: This study received ethical approval in China from the institutional review Board of China Pharmaceutical University (Nanjing, China). While in Zambia from the National Health Research Authority (NHRA), Ministry of Health Public Health and Research Unit and relevant authorities in the Ministry of Health.
: Not applicable.
: The authors declare that they have no competing interest.