1. Cardio-Electrophysiological Research Laboratory; Medical College of Wuhan University of Science and Technology; Wuhan China
2. Department of Cardiovascular Medicine; Tianyou Hospital, affiliated to Wuhan University of Science and Technology; Wuhan China
3. Division of Cardiovascular Medicine; University of Florida College of Medicine; Gainesville FL USA
4. Department of Biology; Gilead Sciences; Fremont CA USA