[1
]
Insaf GmbH Institut für Atemwegsforschung, Wiesbaden, Germany. Electronic address:
k.beeh@insaf-wi.de.
[2
]
Pulmonary and Sleep Associates of Jasper, Jasper, AL, USA.
[3
]
Pulmonary Research Institute at LungClinic Grosshansdorf GmbH, Airway Research Center
North, Grosshansdorf, Germany.
[4
]
Centre de Recherche Appliquée en Allergie de Québec, Québec, Canada.
[5
]
Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany.
[6
]
Boehringer Ingelheim, Burlington, Ontario, Canada.
[7
]
Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany; Department of Sports
Medicine, Medical Clinic V, University of Tübingen, Tübingen, Germany.
[8
]
Ghent University Hospital, Ghent, Belgium.