Evaluation of Mood Disorder Questionnaire (MDQ) in patients with mood disorders: a multicenter trial across China. oleh Hai-Chen Yang, Tie-Bang Liu, Han Rong, Jian-Qiang Bi, Er-Ni Ji, Hong-Jun Peng, Xiao-Ping Wang, Yi-Ru Fang, Cheng-Mei Yuan, Tian-Mei Si, Zheng Lu, Jian Hu, Zhi-Yu Chen, Yi Huang, Jing Sun, Hui-Chun Li, Chen Hu, Jin-Bei Zhang, Ling-Jiang Li