Funding for this research was provided by:
National Institute of Allergy and Infectious Diseases (U19AI110819)
Health Systems Research Institute, Thailand
Received: 21 July 2020
Accepted: 11 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: This study protocol was approved by the Siriraj Institutional Review Board (Si571/2015) with written informed consent obtained from all the participating patients.
: Not applicable.
: None declared.