1. J.J. Lee, MD, Department of Anesthesia, Critical Care & Pain Medicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts.
2. K. Waak, PT, DPT, CCS, Department of Physical and Occupational Therapy Services, Massachusetts General Hospital, 15 Parkman St, WACC 136, Boston, MA 02114 (USA).
3. M. Grosse-Sundrup, MD, Department of Anesthesia, Critical Care & Pain Medicine, Harvard Medical School, Massachusetts General Hospital.
4. F. Xue, MD, Department of Anesthesia, Critical Care & Pain Medicine, Harvard Medical School, Massachusetts General Hospital.
5. J. Lee, MD, Department of Anesthesia, Critical Care & Pain Medicine, Harvard Medical School, Massachusetts General Hospital.
6. D. Chipman, RRT, Department of Respiratory Care Services, Massachusetts General Hospital.
7. C. Ryan, RN, MSN, Department of Clinical Nursing Services, Massachusetts General Hospital.
8. E.A. Bittner, MD, PhD, Department of Anesthesia, Critical Care & Pain Medicine, Harvard Medical School, Massachusetts General Hospital.
9. U. Schmidt, MD, PhD, Department of Anesthesia, Critical Care & Pain Medicine, Harvard Medical School, Massachusetts General Hospital.
10. M. Eikermann, MD, PhD, Department of Anesthesia, Critical Care & Pain Medicine, Harvard Medical School, Massachusetts General Hospital, and Klinik fuer Anaesthesiologie und Intensivmedizin, Essen-Duisburg University, Essen, Germany.