[1] Sanofi, 1 Ave Pierre Brossolette, F-91380 Chilly Mazarin, France
[2] INSERM U1018, Ctr Rech Epidemiol & Sante Populat CESP, Paris, France
[3] Univ Ghent, Upper Airways Res Lab, Ghent, Belgium
[4] Karolinska Inst, CLINTEC, Stockholm, Sweden
[5] Univ Barcelona, Hosp Clin, ENT Dept, Rhinol Unit, Barcelona, Catalonia, Spain
[6] Univ Barcelona, Hosp Clin, ENT Dept, Smell Clin, Barcelona, Catalonia, Spain
[7] IDIBAPS, Clin & Expt Resp Immunoallergy, Barcelona, Catalonia, Spain
[8] CIBERES, Barcelona, Catalonia, Spain
[9] IQVIA, Reading, Berks, England
[10] Regeneron Pharmaceut Inc, 777 Old Saw Mill River Rd, Tarrytown, NY 10591 USA
[11] Sanofi, Bridgewater, NJ USA