1. Veterans Administration San Diego Healthcare System, San Diego, CA, USA
2. Department of Anesthesiology and UCSD School of Medicine, San Diego, CA, USA
3. Department of Biosciences, COMSATS Institute of Information Technology, Islamabad, Pakistan
4. Department of Pediatrics, Sharp Rees-Stealy Medical Group, San Diego, CA, USA
5. Department of Anesthesiology, Tokushima University, Tokushima, Japan
6. University of Texas, El Paso, TX, USA
7. Department of Anesthesiology and Medicine, UCSD School of Medicine, San Diego, CA, USA
8. Department of Emergency and Disaster Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
9. Department of Cardiovascular Medicine, Gifu Heart Center, Gifu, Japan
10. Aberdeen Cardiovascular & Diabetes Centre, School of Medicine, Medical Sciences & Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen, Scotland