Cardiac electrical and mechanical synchrony of super-responders to cardiac resynchronization therapy oleh Ke-Bei Li, Zhi-Yong Qian, Xue-Song Qian, Yong Zhou, Di-Di Zhu, Yuan-Hao Qiu, Yao Wang, Xiao-Feng Hou, Jian-Gang Zou, Yu-Feng Sheng, Xin Chen and Li-Min Chen