1. Almere, The Netherlands
2. Rode Kruis Ziekenhuis, Beverwijk, The Netherlands
3. Mbrace Pharma BV, Zeewolde, The Neterlands
4. Consultants in Quantitative Methods, Eindhoven, Netherlands
5. Dept of Respiratory Medicine & Allergology, Institute for Clinical Science, Skane University Hospital, Lund, Sweden
6. Dept of Clinical Pharmacy & Pharmacology, UMCG, Groningen, The Netherlands;
7. Dept of Respiratory Diseases, Thomayer Hospital, Charles University, Prague, Czech Republic
8. Department of Pulmonary Medicine, Erasmus Medical Centre, Rotterdam, The Netherlands