Funding for this research was provided by:
Universitas Gadjah Mada (RTA #3128/UN1/DITLIT/DIT-LIT/LT/2019)
Text and Data Mining valid from 2020-02-25
Received: 17 January 2020
Accepted: 11 February 2020
First Online: 25 February 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital (KE/FK/1255/EC/2018).
: Not applicable.
: The authors declare that they have no competing interests.