1. Department of Clinical Pediatrics, Head and Neck Surgery Clinic for Children and Young Adults, University of Warmia and Mazury, Żołnierska 18a Street, 10-561 Olsztyn, Poland
2. Department of Biomechatronics, Silesian University of Technology, 44-100 Gliwice, Poland
3. Scientific Department, ChM Sp Zoo Implants & Instruments, 16-061 Lewickie, Poland