Affiliation: | 1. Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA;2. College of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA;3. Robert M Bird Health Sciences Library, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA;4. Section of Electrophysiology, Division of Cardiology, University of California Davis, Davis, California, USA;5. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA |