Text and Data Mining valid from 2019-04-03
Received: 25 July 2018
Accepted: 27 March 2019
First Online: 3 April 2019
Ethics approval and consent to participate
: The participants in IFLS survey gave written informed consent according to the Ethical Review Board in National Institute of Health, USA. The usage of the IFLS datasheet had been approved by Institutional Review Board in Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada.
: Not applicable.
: The authors declare that they have no competing interests.
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