Article History
First Online: 2 July 2019
Compliance with Ethical Standards
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: None declared; there was no source of funding, grant for this study or any tie to any institutional or company interest.
: All procedures performed in study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: Informed consent and assent were obtained from all respondents included in the study, in accordance with the Health Research Ethical Committee (HREC) of the Ahmadu Bello University, Ahmadu Bello University Teaching Hospital (Certificate No: ABUTH/HREC/K028/2014) and the Federal Neuro-psychiatric Hospital, Barnawa Kaduna Nigeria institutional review boards.