Kim, Young Sung
Kim, Hyo Sung
Jeong, Hyerim
Lee, Chung Hun
Lee, Mi Kyoung
Choi, Sang Sik http://orcid.org/0000-0002-0260-9886
Article History
Received: 19 February 2020
Accepted: 1 June 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: Korea University Guro Hospital Institutional Review Board approved of the study protocol. All subjects signed informed consent documents prior to enrollment.
: Not applicable.
: The corresponding author, Sang Sik Choi, is the one of developers for RegionalStim® epidural catheter. The other authors declare no competing interests.