Funding for this research was provided by:
This study was supported by the Traditional Korean Medicine R&D program funded by the Ministry of Health & Welfare through the Korea Health Industry Development Institute (KHIDI). (grant number: HI15C0103)
Received: 22 January 2018
Accepted: 18 March 2019
First Online: 15 April 2019
Ethics approval and consent to participate
: The trial was conducted under participants’ consent, and the protocol was approved by the institutional review board (IRB) of four participating medical institutions (Pusan National University Korean Medicine Hospital on 11 March 2016, IRB approval number 2016002; Kyung Hee University Korean Medicine Hospital at Gangdong on 1 February 2016, IRB approval number KHNMCOH 2016–01-009; Jaseng Hospital of Korean Medicine on 29 February 2016, IRB approval number KNJSIRB2016–021 and Mokhuri Neck and Back Hospital on 7 January 2016, IRB approval number KHNBH-16001), and have previously been published. The pilot study was registered on the Clinical Research Information Service (CRIS) on 17 March 2016 (registration number KCT0001850).
: Not applicable.
: The authors declare that they have no competing interests.
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