RT Journal Article SR Electronic T1 The role of ethnicity in the upper airway in a Belgian paediatric population with obstructive sleep apnoea JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1701278 DO 10.1183/13993003.01278-2017 VO 50 IS 4 A1 Monique Slaats A1 Wim Vos A1 Cedric Van Holsbeke A1 Jan De Backer A1 Dieter Loterman A1 Wilfried De Backer A1 An Boudewyns A1 Stijn Verhulst YR 2017 UL http://erj.ersjournals.com/content/50/4/1701278.abstract AB