1. Activaero GmbH, Gemünden, Germany.
2. Department of Medicine, Division of Pulmonary Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
3. AstraZeneca R&D, Lund, Sweden.
4. Novartis Pharmaceuticals, San Carlos, California.
5. University of Maryland, School of Pharmacy, Baltimore, Maryland.
6. Faculty of Sciences, Michael de Groote School of Medicine, McMaster University, Hamilton, Ontario, Canada.
7. Southampton University Hospitals NHS Trust, Southampton, United Kingdom.
8. Institute of Anatomy, University of Bern, Bern, Switzerland.
9. Aradigm Corporation, Hayward, California.
10. Division of Child Health, Institute of Lung Health, Department of Infection, Inflammation and Immunity, University of Leicester, Leicester, United Kingdom.
11. Cardiff Scintigraphics and Welsh School of Pharmacy, Cardiff, United Kingdom.
12. Scientific Consultant, Hunstanton, United Kingdom.