1. McCollough Plastic Surgery Clinic, Birmingham, Alabama.
2. Department of Pathology, Pennsylvania State University College of Medicine, The Milton S. Hershey Medical Center, Hershey, PA.
3. Department of Radiology, Pennsylvania State University College of Medicine, The Milton S. Hershey Medical Center, Hershey, PA.
4. Facial Paralysis and Sinus Surgery Center, Shadyside Hospital, Pittsburgh, Pennsylvania.