1. Assistant Professor, Department of Anesthesiology, Division of Critical Care.
2. Geriatric Consultant, Rehabilitation and Aged Care Unit, AncelledellaCarità Brescia; Center for Health Services Research.
3. Assistant Professor.
4. Director of Anesthetics, Department of Anesthesiology, Peter MacCallum Cancer Centre and University of Melbourne, Melbourne, Australia.
5. Biostatistician, Department of Biostatistics.
6. Associate Professor, Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, Tennessee.
7. Project Clinical Manager, Center for Health Services Research, Vanderbilt University School of Medicine; Geriatric Research, Education and Clinical Center Service, Department of Veterans Affairs Medical Center, Tennessee Valley Health Care System Care System.
8. Professor, Department of Medicine, Division of Pulmonary and Critical Care Medicine and Center for Health Services Research, Vanderbilt University School of Medicine; Geriatric Research, Education and Clinical Center Service, Department of Veterans Affairs Medical Center, Tennessee Valley Health Care System, Nashville, Tennessee.
9. Associate Professor, Anesthesia Service, Veterans Affairs Medical Center, Tennessee Valley Health Care System and Department of Anesthesiology, Division of Critical Care, Vanderbilt University School of Medicine.