Funding for this research was provided by:
National Institutes of Health (DK62813)
Ministry of Education, Culture, Sports, Science and Technology (15H02657, 16H05191, 16H06279, 18KK0266, 19H03473)
Japan Society for the Promotion of Science (Africa-Asia Science Platform)
Kementerian Riset, Teknologi dan Pendidikan Tinggi (123.4/D2.3/KP/2018)
Received: 7 November 2019
Accepted: 24 December 2019
First Online: 10 January 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all participants, and the protocol was approved by Dr. Cipto Mangunkusumo Teaching Hospital (Jakarta, Indonesia), Dr. Soetomo Teaching Hospital (Surabaya, Indonesia), Dr. Wahidin Sudirohusodo Teaching Hospital (Makassar, Indonesia), and Oita University Faculty of Medicine (Yufu, Japan).
: Not applicable.
: The authors declare that they have no competing interests.