Funding for this research was provided by:
Korea Occupational Safety and Health Agency
Received: 25 January 2018
Accepted: 22 March 2018
First Online: 28 March 2018
Ethics approval and consent to participate
: The Occupational Safety and Health Research Institute institutional review board(IRB) approved this study protocol (IRB no. 2018-IRB-05).
: Written informed consent was obtained from the patient for publication of this case report and any accompanying data.
: The authors declare that they have no competing interests.
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