[1] Vrije Univ Amsterdam, Amsterdam UMC, Dept Otolaryngol Head & Neck Surg, Boelelaan 1117, NL-1081 HZ Amsterdam, Netherlands
[2] Vrije Univ Amsterdam, Amsterdam UMC, Dept Clin Genet, Amsterdam, Netherlands
[3] Vrije Univ Amsterdam, Amsterdam UMC, Dept Endocrinol, Amsterdam, Netherlands
[4] Vrije Univ Amsterdam, Amsterdam UMC, Dept Surg, Amsterdam, Netherlands
[5] Vrije Univ Amsterdam, Amsterdam UMC, Dept Radiotherapy, Amsterdam, Netherlands
[6] Leiden Univ, Med Ctr, Dept Otolaryngol Head & Neck Surg, Leiden, Netherlands