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Article History

Received: 13 December 2016

Accepted: 29 January 2018

First Online: 20 February 2018

Ethics approval and consent to participate

: The study received ethical approval from the Ethical and Protocol Review Committee of the College of Health Sciences of the University of Ghana, with approval identification number:MS-et/M.9-P3.1/2014–2015. All participants provided written informed consents. All data were treated with a high level of confidentiality. Unique codes per questionnaire were employed for computer-based data entry. In all cases, questionnaire and documentations were kept securely locked. Computerized records of the survey were kept in electronic files. These documents were accessible to the lead investigator only.

: Not applicable

: The authors declare that they have no competing interests.

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