1. Cytel/Ingress‐Health Wismar Germany
2. Institut für Pharmakoökonomie und Arzneimittellogistik e.V. Wismar Germany
3. GSK Deutschland München Germany
4. AOK PLUS Dresden Germany
5. Department of Otorhinolaryngology, Head and Neck Surgery Section of Rhinology and Allergy Philipps‐Universität Marburg University Hospital Marburg Marburg Germany