1Dept of Thoracic Medicine, National Heart & Lung Institute, London, UK.
2Groningen, The Netherlands
3Leiden, The Netherlands
4Padova, Italy
5(Paris, France), C.G. Frostell (Danderyd, Sweden
6Stockholm, Sweden
7(The Netherlands), N. Neuparth (Lisbon, Portugal
8A. Sovijarvi (Helsinki, Finland
9Dept of Thoracic Medicine, National Heart and Lung Institute, Dovehouse Street, London SW3 6LY, UK.
10G. Hedenstierna (Uppsala, Sweden
11L. Gustafsson (Stockholm, Sweden),
12P. Silkoff (Toronto, Canada),
13Dept of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden.
14Dept of Thoracic Medicine, National Heart and Lung Institute, Dovehouse Street, London, UK.