Individualized cognitive behavioral therapy for chronic pain in Japan: study protocol for a multicenter randomized controlled trial. - Hosogoshi, Hiroki; Iwasa, Kazunori; Fukumori, Takaki; Takagishi, Yuriko; Takebayashi, Yoshitake; Tairako, Yukino; Oe, Yuki; Adachi, Tomonori; Enomoto, Kiyoka; Yokoyama, Satoshi; Kurata, Jiro; Matsui, Ayano; et al. (Trials, 2025)