**6. Conclusions**

The present study suggested the existence of a potential mechanism by which anger that is evoked from emotional labor may be related to depressive and anxiety symptoms. Thus, hospitals should acknowledge that it is critical to manage nurses' anger through the construction of a specific intervention strategy to protect nurses' psychological adjustment.

**Author Contributions:** The conception and design of the study, or acquisition of data: J.E.K., J.H.P., and S.H.P. The drafting the article or revising it critically for important intellectual content: J.E.K., J.H.P., and S.H.P. The final approval of the version to be submitted: J.E.K., J.H.P., and S.H.P.

**Funding:** This work was supported by the National Research Foundation of Korea (NRF) (grant number NRF-2016-11-1385) and the Basic Science Research Program of the National Research Foundation of Korea funded by the Ministry of Science (grant number NRF-2015R1A2A2A04006136).

**Acknowledgments:** All the procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

**Conflicts of Interest:** On behalf of all authors, the corresponding author states that there is no conflict of interest.
