[1] Univ Cincinnati, Med Ctr, Dept Med, Cincinnati, OH 45267 USA
[2] Fdn Sarcoidosis Res, Chicago, IL USA
[3] Siena Univ, Dept Med Surg & Neurol Sci, Specializat Sch Resp Dis, Siena, Italy
[4] St Antonius & Iospital, Dept Pulmonol, ILD Ctr Excellence, Nieuwegein, Netherlands
[5] Maastricht Univ, Fac Hlth & Life Sci, Dept Pharmacol & Toxicol, Maastricht, Netherlands
[6] Ild Care Fdn Res Team, Ede, Netherlands
[7] Univ Barcelona, IDIBAPS, Hosp Clin, Serv Pneumol,Resp Inst, Barcelona, Spain
[8] Ctr Invest Biomed Red Ferrnedades Resp CibeRes CB, Bunyola, Spain
[9] European Reference Network Rare Dis Resp Syst ERN, Interstitial Lung Dis Core Member, Barcelona, Spain
[10] Hosp Gelderse Vallei, Ede, Netherlands
[11] ANES Assoc Enfermos Sarcoidosis, Madrid, Spain
[12] Univ Illinois, Div Rheumatol, Chicago, IL USA
[13] Univ Illinois, Arthrit Clin & Bernie Mac Sarcoidosis Translat Ad, Chicago, IL USA
[14] Amici Contro Sarcoidosi Italia ONLUS, Bologna, Italy
[15] Albany Med Coll, Dept Med, Albany, NY 12208 USA