Funding for this research was provided by:
Korea Centers for Disease Control and Prevention
Korea National Institute of Health research fund (2013-E63006-00, 2013-E63006-01)
Received: 24 November 2017
Accepted: 10 September 2018
First Online: 21 September 2018
Ethics approval and consent to participate
: The study was approved by the institutional review board (IRB no. 2013-03CON-03-P) of the Korea Centers for Disease Control and Prevention. All nurses who participated in the questionnaire survey signed the informed consent form prior to participation and were assured of anonymity and confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.
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