1. Clinical Research Fellow
2. Adjunct Professor, Department of Physical and Rehabilitation Medicine, Turku University Hospital and University of Turku, Turku, Finland
3. Assistant Lecturer, Department of Otolaryngology-Head and Neck Surgery, Mansoura University, Faculty of Medicine, Mansoura, Egypt
4. Assistant Professor, Division of Facial Plastic and Reconstructive Surgery, Washington University School of Medicine, St. Louis, MO
5. Assistant Professor of Surgery, Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, Université de Montréal, Montréal, Québec, Canada
6. Professor and Division Chief, Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, CA