1. Canadian Institutes of Health Research, Natural Sciences and Engineering Research Council of Canada, & Social Sciences and Humanities Research Council of Canada. (2010). Tri-Council Policy Statement: Ethical Conduct for Research Involving Human. Ottawa, Canada: Public Works and Government Services Canada.
2. Cardiff University. (2015). FAQs on Data Protection and Writing a Research Protocol or Applying for Research Ethics Approval. Retrieved April 28, 2015, from http://www.cardiff.ac.uk/govrn/cocom/accinf/dataprotection/datap/dpguidquestions/-I
3. Qualitative interviewing: encountering ethical issues and challenges