1. Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL 35205, USA
2. Department of Surgery, Division of Cardiothoracic Surgery, University of Alabama at Birmingham, Birmingham, AL 35205, USA
3. Department of Cardiology, Division of Electrophysiology, University of Alabama at Birmingham, Birmingham, AL 35249, USA
4. Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, University of Alabama at Birmingham, Birmingham, AL 35249, USA
5. School of Health Professionals, University of Alabama at Birmingham, Birmingham, AL 35233, USA
6. Department of Anesthesiology and Perioperative Medicine, Duke University, Durham, NC 27708, USA