Funding for this research was provided by:
National Institute of Allergy and Infectious Diseases (HHSN261200800001E and HHSN261201500003I)
Received: 2 February 2020
Accepted: 28 April 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: All subjects provided written informed consent before study participation. The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the IRBs of Faculty of Medicine, University of Indonesia/ Dr. Cipto Mangunkusumo Hospital (451/PT02.FK/ETIK/2012), Dr. Soetomo Hospital (192/Panke.KKE/VIII/2012), and the National Institute of Health and Research and Development (NIHRD), Ministry of Health, Indonesia (KE.01.05/EC/407/2012).
: Not applicable.
: The authors declare that they have no competing interests.