1. Department of Molecular PharmacologyUniversity of Groningen Groningen The Netherlands
2. Groningen Research Institute for Asthma and COPD, University Medical Center GroningenUniversity of Groningen Groningen The Netherlands
3. Department of Medicinal ChemistryBoehringer Ingelheim Pharma GmbH & Co. KG Biberach an der Riss Germany
4. Immunology and Respiratory Disease ResearchBoehringer Ingelheim Pharma GmbH & Co. KG Biberach an der Riss Germany