REFERENCES
- Arthur, R. 2016. The shrinking shelf life of NFL players. Wall Street Journal, February 29. http://www.wsj.com/articles/the-shrinking-shelf-life-of-nfl-players-1456694959.
- Belson, K. 2016a. N.F.L. introduces new rules to back its concussion protocol. New York Times, July 25, http://www.nytimes.com/2016/07/26/sports/football/nfl-concussion-protocol-new-rules.html
- Belson, K. 2016b. To the N.F.L., 40 winks is as vital as the 40-yard dash. New York Times, October 1. http://www.nytimes.com/2016/10/02/sports/football/nfl-players-sleep.html?smid=tw-nytsports&smtyp=cur&_r=1
- Copeland, K. 2012. Around the NFL, Brian Urlacher: Don't play if you don't want concussion. Available at: http://www.nfl.com/news/story/0ap1000000095377/article/brian-urlacher-dont-play-if-you-dont-want-concussion (accessed October 10, 2016 ).
- Gleason, K. 2014. NFL coaches still don't get it with concussions. Times Herald-Record, October 18. http://www.recordonline.com/article/20141018/SPORTS/141019419.
- Kant, I. (1785) 1993. Grounding of the metaphysics of morals, 3rd ed., trans. J. W. Ellington. Indianapolis, IN: Hackett.
- Karkazis, K., and J. R. Fishman. 2017. Tracking U.S. professional athletes: The ethics of biometric technologies. American Journal of Bioethics 17(1): 45–60.
- Keating, P. 2012. Concussion test may not be a panacea. ESPN. Available at: http://www.espn.com/espn/otl/story/_/id/8297794/neuropsychological-testing-concussions-not-panacea (accessed October 10, 2016).
- Mackenzie, C., and N. Stoljar. 2000. Introduction: Refiguring autonomy. In Relational autonomy: Feminist perspectives on autonomy, agency, and the social self, ed. C. Mackenzie and N. Stoljar, 3–34. New York, NY: Oxford University Press.
- McGurty, F. 2016. Study finds evidence of brain injury in living NFL veterans. Scientific American, April 12. https://www.scientificamerican.com/article/study-finds-evidence-of-brain-injury-in-living-n fl-veterans/#.
- Oshana, Marina. 2006. Personal autonomy in society. New York, NY: Routledge.
- Pelissero, T. 2015. NFLPA files grievance over sleep monitoring devices being used by teams. USA Today, October 22. http://www.usatoday.com/story/sports/nfl/2015/10/22/nflpa-nfl-sleep-monitors/74402474
- Viola-Saltzman, M., and N. F. Watson. 2012. Traumatic brain injury and sleep disorders. Neurologic Clinics 30:1299–312.