[1] Antwerp Univ Hosp UZA, Dept Special Care Dent, B-2650 Edegem, Belgium
[2] Antwerp Univ Hosp UZA, ENT Dept, Edegem, Belgium
[3] Antwerp Univ Hosp UZA, Head & Neck Surg, Edegem, Belgium
[4] Antwerp Univ Hosp UZA, Sci Coordinat & Biostat, B-2650 Edegem, Belgium
[5] Antwerp Univ Hosp UZA, Multidisciplinary Sleep Disorders Ctr, B-2650 Edegem, Belgium
[6] Antwerp Univ Hosp UZA, Pulm Med, B-2650 Edegem, Belgium
[7] Univ Antwerp, Fac Med & Hlth Sci, B-2020 Antwerp, Belgium
[8] Sint Lucas Andreas Hosp, Dept Otolaryngol Head & Neck Surg, Amsterdam, Netherlands