Fekedulegn, D., Innes, K., Andrew, M., Tinney-Zara, C., Charles, L., Allison, P., … Knox, S. (2018). Sleep quality and the cortisol awakening response (CAR) among law enforcement officers: The moderating role of leisure time physical activity. Psychoneuroendocrinology, 95, 158-169. https://doi.org/10.1016/j.psyneuen.2018.05.034 (Original work published 2018)

Violanti, J., Fekedulegn, D., Gu, J., Allison, P., Mnatsakanova, A., Tinney-Zara, C., & Andrew, M. (2018). Effort-reward imbalance in police work: associations with the cortisol awakening response. International Archives of Occupational and Environmental Health, 91(5), 513-522. https://doi.org/10.1007/s00420-018-1300-0