[1] Hosp Civils Lyon, Dept Audiol & Otoneurol Evaluat, F-69003 Lyon, France
[2] Inst Pasteur, Inst Audit, F-75015 Paris, France
[3] Univ Claude Bernard Lyon 1, Fac Med, F-69100 Villeurbanne, France
[4] Hop Univ Toulouse, Ctr Reg Pharmacovigilance Toulouse, Dept Med & Clin Pharmacol, CIC1436, F-31000 Toulouse, France
[5] Ctr Hosp Univ Besancon, Ctr Reg Pharmacovigilance & Informat Medicaments, Dept Clin Pharmacol, F-25000 Besancon, France