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Article History

Received: 10 May 2017

Accepted: 5 January 2018

First Online: 24 January 2018

Ethics approval and consent to participate

: This study was approved by the institutional review board (IRB) of Pusan National University Korean Medicine Hospital (IRB approval no. 2016003), Kyung Hee University Oriental Medicine Hospital at Gangdong (IRB approval no. KHNMC OH 2015-10-002), and Jaseng Hospital of Korean Medicine (IRB approval no. KNJSIRB2016-025). The protocol will be revised and resubmitted to the relevant IRB and trial registry; any significant protocol modifications will be made known to all relevant parties and/or individuals (e.g. IRB, trial participants, investigators, and funder). The study results and findings will be disseminated in a peer-reviewed medical journal and presented at international or domestic conferences. Written informed consent will be obtained from all participants by the investigator. The collection and use of data from the qualitative research will also be explained to participants in the qualitative analyses in a separate written informed consent.

: Not applicable.

: The authors declare that they have no competing interests.

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