Text and Data Mining valid from 2019-08-01
First Online: 16 August 2019
Ethics approval and consent to participate
: The study passed an ethical test by the Research Ethics Committee of the Faculty of Nursing at the University of Indonesia (No. 146./Un2.F12.D/HKP.02.04/2017).
: All participants has signed informed consent for publication.
: The authors declare that they have no competing interest.