Dr. Tong Liu was graduated from Tianjin Medical University in 2000, and got his PhD in 2006. He received training in the research of electrophysiology in the Heart Institute, Cedars-Sinai Medical Center, Los Angeles, from 2009 to 2010. He has particular interests in cardiac electrophysiology, and for the past decade he has focus on the research on atrial fibrillation,. He is now the Committee Member of Chinese Society of Pacing and Electrophysiology (CSPE) and Youth Committee Member of Chinese Society of Cardiology (CSC). He work was supported by Grants from National Natural Science Foundation of China (30900618, 81270245, 81570298, 81970270) . He is on the editorial boards of Cardiovascular Diagnosis and Therapy, PACE, BMC Cardiovascular Disorders, BioMed Research International, Current Cardiology Reviews, International Journal of Arrhythmia, Cardio-Oncology and serves as a peer reviewer for more than 50 scientific journals. He has published over 250 articles in peer reviewed medical journals.