Division of Pulmonary Medicine, Cantonal Hospital St, Gallen, Rorschacherstrasse 95, CH-9007 St, Gallen, Switzerland. florent.baty@kssg.ch|Division of Pulmonary Medicine, Cantonal Hospital St, Gallen, Rorschacherstrasse 95, CH-9007 St, Gallen, Switzerland. florent.baty@kssg.ch|Division of Pulmonary Medicine, Cantonal Hospital St, Gallen, Rorschacherstrasse 95, CH-9007 St, Gallen, Switzerland. florent.baty@kssg.ch|Division of Pulmonary Medicine, Cantonal Hospital St, Gallen, Rorschacherstrasse 95, CH-9007 St, Gallen, Switzerland. florent.baty@kssg.ch|Division of Pulmonary Medicine, Cantonal Hospital St, Gallen, Rorschacherstrasse 95, CH-9007 St, Gallen, Switzerland. florent.baty@kssg.ch|Division of Pulmonary Medicine, Cantonal Hospital St, Gallen, Rorschacherstrasse 95, CH-9007 St, Gallen, Switzerland. florent.baty@kssg.ch