Funding for this research was provided by:
Chinese University of Hong Kong (-)
Received: 7 August 2017
Accepted: 3 January 2019
First Online: 14 January 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Survey Behavioral Research Ethics Committee of the Chinese University of Hong Kong, Faculty of Medicine – Hong Kong; Addis Ababa Regional Ethical Committee of Addis Ababa City Administration Health Bureau - Ethiopia; and The National Research Ethical Committee of the Ministry of Science and Technology – Ethiopia. Written informed consent were obtained from all participants. Interviews were conducted in private rooms or isolated areas of their preference, ensuring both visual and auditory privacy, and no personal identifiers were written on the questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.
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