1. Engineering Science and Mechanics Department, The Pennsylvania State University, University Park, Pennsylvania, USA.
2. The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, Pennsylvania, USA.
3. Gene Arrays, Omelette Inc., New York, New York, USA.
4. Department of Surgery, The Pennsylvania State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA.
5. Biomedical Engineering Department, The Pennsylvania State University, University Park, Pennsylvania, USA.
6. Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania, USA.
7. Neurosurgery Department, The Pennsylvania State College of Medicine, Hershey, Pennsylvania, USA.