[1] Leiden University Medical Centre,Dept. of Pulmonology
[2] Leiden University Medical Centre,Dept. of Medical Decision Making
[3] Leiden University Medical Centre,Dept. of Pathology
[4] University of Sao Paulo,Dept. of Pathology
[5] University Medical Centre Groningen,Dept. of Pulmonology
[6] University Medical Centre Groningen,Dept. of Pathology
[7] The GLUCOLD Study Group: Groningen Leiden Universities and Corticosteroids in Obstructive Lung Disease,undefined
[8] a full list of members is listed at the back,undefined