First Online: 16 August 2019
Ethics approval and consent to participate
: The study reported in this manuscript was approved by The Ethical Committee of Faculty of Nursing No. 202/UN2.F12.D/HKP.02.04/2017, Universitas Indonesia. All respondents signed the informed consent after a thorough explanation of the study was given.
: Not applicable.
: The authors declare that they have no competing interests.
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