1. Assistant Professor.
2. Clinical Associate Professor, Department of Anesthesiology, Stanford University School of Medicine, Stanford, California.
3. Professor, Department of Anesthesiology.
4. Assistant Professor, Department of Biostatistics, Mayo Clinic College of Medicine.
5. Associate Professor, Department of Anesthesiology, University of Wisconsin College of Medicine, Madison, Wisconsin.
6. Professor, Department of Anesthesiology, University of Iowa Carver College of Medicine, Iowa City, Iowa.
7. Professor, Department of Biostatistics, University of Iowa College of Public Health, and Director of the University of Iowa Data Management Center, Iowa City, Iowa.
8. Professor and Head, Department of Epidemiology, University of Iowa College of Public Health.
9. Professor and Head, Department of Anesthesiology, University of Iowa Carver College of Medicine, and Principal Investigator of IHAST Investigation. §§ See appendix.