1. Department of Integrative Physiology and Pharmacology; Liberty University College of Osteopathic Medicine; Lynchburg VA USA
2. Heart Rhythm Institute, Department of Medicine; The Heart Rhythm Institute at the University of Oklahoma Health Sciences Center and OU Medical Center; Oklahoma City OK USA
3. Biomedical Engineering Program; Indiana University Purdue University; Indianapolis IN USA
4. Heart Rhythm Institute, Department of Medicine; The University of Oklahoma Health Sciences Center and OU Medical Center; Oklahoma City OK USA