Funding for this research was provided by:
Universitas Gadjah Mada (Hibah Dana Masyarakat Faculty of Medicine, Public Health, and Nursing Universitas Gadjah Mada)
Text and Data Mining valid from 2020-01-13
Received: 23 September 2019
Accepted: 31 December 2019
First Online: 13 January 2020
Ethics approval and consent to participate
: This study has approval from the Institutional Review Board of the Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr. Sardjito Hospital (KE/FK/1095/EC/2015).
: Not applicable.
: The authors declare that they have no competing interests.