Prevalence of allergic sensitization versus allergic rhinitis symptoms in an unselected population Katrien Blomme, MSc¹, Peter Tomassen, MD¹, Hilde Lapeere, MD, PhD², Wouter Huvenne, MD¹, Michiel Bonny, MD², Frederic Acke, MD¹, Claus Bachert, MD, PhD¹, Philippe Gevaert, MD, PhD¹ 1 Upper airways Research Laboratory, Department of Otorhinolaryngology, Ghent University, Belgium ² Department of Dermatology Ghent University, Belgium Corresponding author: Philippe Gevaert, MD, PhD Upper airways Research Laboratory, Department of Otorhinolaryngology, Ghent University Hospital, 1P1, De Pintelaan 185, B-9000 Ghent, Belgium Tel: 0032 9332 23 Fax: 0032 9332 4993 e-mail: philippe.gevaert@ugent.be