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Article History

Received: 1 September 2017

Accepted: 11 October 2018

First Online: 20 November 2018

Ethics approval and consent to participate

: Ethics approvals for Study 1 were obtained from the Human Research Ethic Committee, University of New South Wales, Australia, and the Human Ethics Committee, Faculty of Medicine (HC15303), University of Lampung (No. 1740/UN26/8/DT/2015). Ethics approvals for Study 2 were obtained from the Human Research Ethics Committee, University of New South Wales, Australia (HC15826), and the Medical and Health Research Ethics Committee, Universitas Gadjah Mada, Indonesia (KE/FK/196/EC/2016). All research activities in Lampung and Yogyakarta provinces were approved by local governments (Research and Development Department and the District Health Offices). Informed consent was obtained in writing from all participants before data collection in all phases.

: Not applicable (this manuscript does not contain any individual details, images or videos. Only aggregate data were used in this publication).

: The authors declare that they have no competing interests.

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