1. Department of Oral and Maxillofacial Surgery; Facial Plastic Surgery; University Medical Centre Rostock; Rostock Germany
2. Private Dental Practice; Mainz Germany
3. Private Dental Practice; Bangalore India
4. Head and Neck Institute; Mazumdar Shaw Cancer Center; Narayana Health; Bommasandra Bangalore India
5. Department of Otorhinolaryngology, Head and Neck Surgery; Molecular Tumor Biology Laboratory; University Medical Centre Mainz; Mainz Germany