1. Department of ENT, Nasenaesthetik Hamburg Gerhofstraße 2 20354, Hamburg, Germany
2. Irvine Department of Plastic and Reconstructive Surgery, Plastic and Reconstructive Surgery, University of California, California
3. The Center for Facial Restoration, Miramar, Florida
4. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology, University of Miami School of Medicine, Miami, Florida
5. Department of ENT/Facial Plastic Surgery, Sultan Qaboos University, Seeb, Oman
6. Department of Otolaryngology/Facial Plastic Surgery, University Hospital Lewisham, London, United Kingdom