Response by Zhang et al Regarding Article "Off-Label Under- and Overdosing of Direct Oral Anticoagulants in Patients With Atrial Fibrillation: A Meta-Analysis"
1 Department of Cardiology, Affiliated Drum Tower Hospital (X.-L.Z., B.X., W.X.), Nanjing University School of Medicine, China.
2 State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine (H.-W.W.), Nanjing University School of Medicine, China.