1. Section of Critical Care Medicine, Department of Anesthesiology, Wake Forest University, Winston-Salem, NC.
2. Section of Infectious Diseases, Department of Internal Medicine, Wake Forest University, Winston-Salem, NC.
3. Center for Bioethics, Health, and Society, Wake Forest University, Winston-Salem, NC.
4. Pulmonary and Critical Medicine, Chest Medicine and Critical Care Medical Group, San Diego, CA.