Zhong, Wenliang, Department of Cardiology, Fujian Medical University Union Hospital Zhong, Xueke Zhou, Changyu Zhou, Daxin Zhou, Jingxin Zhou, Lin, Division of Cardiology, Tongji Hospital, Tongji University School of Medicine Zhou, Meijian Zhou, Minggang Zhou, Nannan, Shandong Provincial Hospital affiliated to Shandong University Zhou, Sheng-hua Zhou, Sheng-hua Zhou, Shenghua Zhou, Yafeng Zhou, Yi, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China. Zhou, You Zhou, Yu-he Zhou, Yujie Zhu, Chenggang Zhu, Jing-dong Zhu, Jingzhou Zhu, Jinzhou Zhu, Kai Zhu, Lei Zhu, Li, Department of Cardiology, Taizhou Renmin Hospital, Taizhou, Jiangsu Province, China; Zhu, Meng-Ruo, Department of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Institute of Ultrasound in Medicine, Shanghai, China.