1. Academics Anonymous. (2014). There is a culture of acceptance around mental health issues in academia. The Guardian. Retrieved from https://
www.theguardian.com/higher-education-network/blog/2014/mar/01/mental-health-issue-phd-research-university
2. American Psychological Association. (2018a). How stress affects your health. Retrieved from
http://www.apa.org/helpcenter/stress-facts.pdf
3. American Psychological Association. (2018b). Stress: The different kinds of stress. Retrieved from
http://www.apa.org/helpcenter/stress-kinds.aspx
4. Aspinwall, L. G., & Taylor, S. E. (1993). Effects of social comparison direction, threat, and self-esteem on affect, self-evaluation, and expected success. Journal of Personality and Social Psychology, 64(5), 708–722.
https://doi.org/10.1037/0022-3514.64.5.708
5. Baum, A. (1990). Stress, intrusive imagery, and chronic distress. Health Psychology, 9(6), 653–675.
https://doi.org/10.1037/0278-6133.9.6.653