Funding for this research was provided by:
NUS-UGM-Tahir Foundation seed grant (2018 and 2020)
Received: 22 January 2021
Accepted: 11 May 2021
First Online: 22 May 2021
: The study has been accomplished following ethical principles according to the Declaration of Helsinki 1964. Ethical approval of this study has been obtained from the Medical and Health Research Ethics Committee Faculty of Medicine, Public Health, and Nursing - Universitas Gadjah Mada Yogyakarta (1049/EC/2018). Access to the raw data has been granted by DIKLIT (Education and Research Unit) and Medical Record Unit of Dr. Sardjito Hospital. All participated patients in this study have provided inform consent.
: Not applicable. This study did not use identifying images and any clinical and personal details.
: All authors have declared for no existing direct and indirect conflict of interests.