[1] Univ Med Ctr, Dept Pneumol, Fac Med, Freiburg, Germany
[2] Univ Kiel, Inst Med Informat & Stat, Kiel, Germany
[3] Siena Univ, AOUS Med & Surg Sci & Neurosci Dept, Resp Dis & Lung Transplant Unit, Siena, Italy
[4] Univ Hosp Lung Dis, Clin Ctr Serbia, Belgrade, Serbia
[5] Univ Hosp, Dept Cardiol Pneumol Angiol & Intens Care Med, Aachen, Germany
[6] Univ Kiel, Popgen Biobank, Kiel, Germany
[7] Univ Kiel, Inst Epidemiol, Kiel, Germany
[8] Univ Med Ctr, Dept Haematol & Oncol, Freiburg, Germany
[9] Univ Kiel, Inst Clin Mol Biol, Kiel, Germany
[10] Acad Med Ctr Amsterdam, Dept Pulmonol, Amsterdam, Netherlands
[11] Univ Hosp, Southampton, Hants, England
[12] Oxford Univ Hosp NHS Fdn Trust, Oxford Sarcoidosis Serv, Oxford, England
[13] Res Ctr Borstel, Med Hosp, Borstel, Germany
[14] Airway Res Ctr North, Leibniz Ctr Med & Biosci, Borstel, Germany
[15] German Ctr Lung Res, Borstel, Germany
[16] Med Univ Gdansk, Dept Pulmonol, Gdansk, Poland
[17] Med Univ Lublin, Dept Pneumonol Oncol & Allergol, Lublin, Poland
[18] Univ Hosp, Giessen, Germany
[19] Palacky Univ, Fac Med & Dent, Olomouc, Czech Republic
[20] Univ Hosp Olomouc, Olomouc, Czech Republic
[21] Univ Coll Dublin, Dublin, Ireland
[22] St Vincents Univ Hosp, Dublin, Ireland
[23] Univ Hosp, Reykjavik, Iceland
[24] Univ Klinikum Essen gGmbH, Westdeutsches Lungenzentrum, Ruhrlandklin, Univ Klin Essen, Essen, Germany
[25] Univ Hosp, Lille, France
[26] Hosp Berlin Havelhohe, Berlin, Germany
[27] Univ Hosp Jordanovac, Zagreb, Croatia
[28] Fdn IRCCS Policlin San Matteo, Pulmonol Unit, Pavia, Italy
[29] Univ Hosp, Bonn, Germany
[30] Evangel Lungenklin, Berlin, Germany
[31] Natl Koranyi Inst, Budapest, Hungary
[32] Thomayer Hosp, Prague, Czech Republic
[33] Charles Univ Prague, Fac Med 1, Prague, Czech Republic
[34] Univ Hosp, Bristol, Avon, England
[35] Charles Univ Prague, Prague Gen Hosp, Prague, Czech Republic
[36] Univ Hosp, Leuven, Belgium
[37] Aintree Univ Hosp NHS Fdn Trust, Liverpool, Merseyside, England
[38] Univ Hosp, Regensburg, Germany
[39] Grp Hosp Avicenne Jean Verdier Rene Muret, Serv Pneumol, Bobigny, France
[40] GB Morgagni L Pierantoni Hosp, Azienda USL Romagna, Dept Thorac Dis, Pulm Unit, Forli, Italy
[41] Univ Hosp, Dept Pneumol, Leipzig, Germany
[42] Hannover Med Sch, Dept Pneumol, Hannover, Germany
[43] Univ Kiel, Dept Internal Med, Kiel, Germany