Corrigendum: Microstructural Abnormalities Were Found in Brain Gray Matter from Patients with Chronic Myofascial Pain - Xie, Peng; Qin, Bangyong; Song, Ganjun; Zhang, Yi; Cao, Song; Yu, Jin; Wu, Jianjiang; Wang, Jiang; Zhang, Tijiang; Zhang, Xiaoming; Yu, Tian; Zheng, Hong (Frontiers in Neuroanatomy, 2017)