1. Department of Surgery/Division of Trauma and Critical Care, Henry Ford Hospital, 2799 W. Grand Boulevard, Detroit, MI 48202, USA
2. Department of Pulmonary and Critical Care, Henry Ford Hospital, Detroit, MI 48202, USA
3. Cleveland Clinic, Cleveland, OH 44195, USA
4. Beaumont Hospital, Royal Oaks, MI 48073, USA
5. Doctors Medical Center, Modesto, CA 95350, USA
6. Wayne State University, Detroit, MI 48202, USA