1. Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
2. Department of Anesthesiology and Intensive Care Medicine, Oita University Faculty of Medicine, Oita, Japan
3. Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
4. Department of Cell and Developmental Biology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA