1. Department of Medical PsychologyCatharina HospitalEindhoven the Netherlands
2. Department of SurgeryCatharina HospitalEindhoven the Netherlands
3. Department of Orthopedics, Section of Physical TherapyRadboud University Medical CenterNijmegen the Netherlands
4. Department of Otorhinolaryngology and Head and Neck SurgeryRadboud University Medical CenterNijmegen the Netherlands
5. Department of Medical PsychologyRadboud University Medical CenterNijmegen the Netherlands.