Kurniawaty, Juni
Widyastuti, Yunita
Article History
First Online: 16 December 2019
Ethics approval and consent to participate
: The study was approved by Medical and Health Research Ethics Committee of the Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia. Consent to participate is not applicable due to retrospective analysis.
: Not applicable.
: The authors declare that they have no competing interests.