1. Department of Medical Psychology, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands.
2. Department of Medical Psychology, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands
3. Department of Neurology, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands
4. Department of Otolaryngology – Head & Neck Surgery, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands
5. Clinical Psychology, VU University, PO Box 7057, 1007 MB Amsterdam, The Netherlands