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