Electroacupuncture plus moxibustion therapy for patients with major depressive disorder: study protocol for a randomized controlled trial. - Mikyung Kim; Eun-Ji Choi; Sung-Phil Kim; Jung-Eun Kim; Hyo-Ju Park; Ae-Ran Kim; Bok-Nam Seo; O-Jin Kwon; Jung Hyo Cho; Sun-Yong Chung; Joo-Hee Kim; Kim, Mikyung; et al. (Trials, 2017)