1. University of Illinois at Urbana-Champaign, University of Illinois College of Medicine at Urbana-Champaign, Illinois
2. Medical College of Wisconsin, Department of Otolaryngology–Head and Neck Surgery, University of Illinois College of Medicine at Urbana-Champaign, Illinois
3. Department of Oral and Maxillofacial Surgery, Carle Clinic Association, Urbana, and Clinical Professor of Surgery, University of Illinois College of Medicine at Urbana-Champaign, Illinois
4. Department of Radiology, Carle Clinic Association, Urbana, Illinois, and University of Illinois College of Medicine at Urbana-Champaign, Illinois