1. Division of Plastic and Reconstructive Head and Neck Surgery and Rhinosinusology, Department of Otorhinolaryngology–Head and Neck Surgery, Zagreb University School of Medicine and Zagreb University Hospital Centre, Zagreb, Croatia
2. Reference Centre for Computer-Aided Surgery and Telesurgery, Ministry of Health, Zagreb
3. Department of Otorhinolaryngology–Head and Neck Surgery, Osijek University School of Medicine and Osijek University Hospital, Osijek, Croatia
4. Department of Physics, University of Zagreb
5. Division of Otorhinolaryngology, Makarska Medical Centre, Makarska, Croatia