1. American Psychological Association (2017) American Psychological Association ethical principles of psychologists and code of conduct. Retrieved July 21, 2020, from https://www.apa.org/ethics/code/
2. Appleman PS (2001) MacArthur Competence Assessment Tool for Clinical Research (MacCAT-CR). Professional Resource Press
3. Department of Veterans Affairs. Requirements for the Protection of Human Research Subjects (2014, November 12) VHA handbook 1200.05. Retrieved August 20, 2016, from http://www.research.va.gov/resources/policies/handbooks.cfm
4. Folstein MF, White R, Messer MA (2005) Mini-mental® state examination user’s manual, 2nd edn™. MMSE®-2™
5. Frye RL, Simari RD, Gersh BJ, Burnett JC, Brumm S, Myerle K, Jaffe AS, Holmes DR, Lerman A, Terzic A (2009) Ethical issues in cardiovascular research involving humans. Circulation 120(21):2113–2121