1. Department of Otorhinolaryngology – Head and Neck Surgery, Central Military Hospital ‘Dr. A. Mathijsen’, Utrecht, The Netherlands
2. Department of Otorhinolaryngology – Head and Neck Surgery, University Hospital Sveti Duh, Zagreb, Croatia
3. Department of Orthopedic Surgery, Hand and Upper Extremity Service, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
4. Department of Otorhinolaryngology – Head and Neck Surgery, Center for Facial Plastic and Reconstructive Surgery, Diakonessen Hospital, Utrecht, The Netherlands