Dr. Tong Liu 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 has focused on the research of atrial fibrillation over the past decade. Dr. Liu is the Youth Committee Member of Chinese Society of Pacing and Electrophysiology (CSPE). He is on the editorial boards of World Journal of Cardiology, Cardiovascular Diagnosis and Therapy, Chinese Journal of Cardiovascular Medicine and Chinese Journal of Evidence-Based Cardiovascular Medicine, as well as a peer reviewer for more than 15 scientific journals. He has published over 30 articles in peer reviewed medical journals.