1. Pritzker Institute of Biomedical Science and Engineering, Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, Illinois.
2. Department of Surgery, Loyola University Medical Center, Maywood, Illinois.
3. Department of Research, Hines VA Hospital, Hines, Illinois.
4. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia.