First Online: 16 August 2019
Ethics approval and consent to participate
: An ethical clearance was issued by the ethical committee of the Faculty of Nursing, Universitas Indonesia. The ethics approval number was 96/UN2.F12.D/HKP.02.04/2017. All respondents signed the consent form before data collection period started.
: Each respondents had given their consents for the publication of the study.
: The authors declare that they have no competing interests.