[1] Albany Med Coll, Dept Med, Albany, NY 12208 USA
[2] Univ Cincinnati, Med Ctr, Dept Internal Med, Cincinnati, OH 45267 USA
[3] Ruhrlandklin, Essen, Germany
[4] Univ Duisburg Essen, Essen, Germany
[5] Getderse Vallei Hosp, Dept Interstitial Lung Dis, Ede, Netherlands
[6] Univ Pittsburgh, Div Pulm Allergy & Crit Care Med, Pittsburgh, PA USA
[7] Univ Washington, Div Pulm & Crit Care Med, Seattle, WA 98195 USA
[8] Univ So Calif, Los Angeles, CA USA
[9] Univ Nevada, Sch Med, Div Pulm & Crit Care Med, Las Vegas, NV 89154 USA
[10] Univ Alabama Birmingham, Birmingham, AL USA
[11] Cleveland Clin Fdn, Cleveland, OH 44195 USA
[12] Natl Jewish Hlth, Dept Med, Denver, CO USA
[13] Univ Rotterdam Hosp, Erasmus MC, Dept Pulm Dis, Rotterdam, Netherlands
[14] Univ Rotterdam Hosp, Erasmus Med Ctr, Dept Pulm Med, Rotterdam, Netherlands
[15] Texas Tech Univ, Hlth Sci Ctr, Dept Med, Lubbock, TX 79430 USA
[16] Janssen Res & Dev LLC, Biostat, Spring House, PA USA
[17] Janssen Res & Dev LLC, Immunol Biomarkers, Spring House, PA USA
[18] Janssen Res & Dev LLC, Immunol, Spring House, PA USA