1. World Medical Association Declaration of Helsinki. Ethical principles for medical research involving human subjects.
http://www.wma.net
.
2. World Health Organization. Standards and operational guidance for ethics review of health-related research with human participants; 2011.
3. Council for International Organizations of Medical Sciences (CIOMS). International ethical guidelines for biomedical research involving human subjects. World Health Organization; 2002.
4. Directive 95/46/EC of the European Parliament and of the Council of 24 October 1995 on the protection of individuals with regard to the processing of personal data and on the free movement of such data. Official Journal L 1995; 281:31-50.
5. National Patient Safety Agency, National Research Ethics Service. Information sheets & consent forms. Guidance for researchers and reviewers. Version 3.2 2007.
https://www.swansea.ac.uk/media/6)%20REGwebNHS%20national%20patient%20safety%20agency%20-%20info%20sheets%20%20consent%20forms.pdf
. Accessed 18 Nov 2016.