[1] Univ Med Ctr Schleswig Holstein, Internal Med Dept 1, Campus Kiel, Kiel, Germany
[2] Univ Kiel, Univ Med Ctr Schleswig Holstein, Inst Med Informat & Stat, Kiel, Germany
[3] Univ Kiel, Univ Med Ctr Schleswig Holstein, Inst Epidemiol, Kiel, Germany
[4] Univ Med Ctr Schleswig Holstein, Neurol Dept, Campus Kiel, Kiel, Germany
[5] Univ Wurzburg, Inst Clin Epidemiol & Biometry, Wurzburg, Germany
[6] Goethe Univ, Dept Internal Med Hematol Oncol 2, Theodor Stern Kai 7, D-60590 Frankfurt, Germany
[7] Univ Cologne, Fac Med, Dept Internal Med 1, Kerpener Str 62, D-50937 Cologne, Germany
[8] Univ Cologne, Univ Hosp Cologne, Kerpener Str 62, D-50937 Cologne, Germany
[9] Goethe Univ, Dept Internal Med Hematol Oncol 2, Frankfurt, Germany
[10] Univ Med Ctr Gottingen, Inst Med Informat, Gottingen, Germany
[11] Charite Univ Med Berlin, Inst Social Med Epidemiol & Hlth Econ, Berlin, Germany
[12] Univ Wurzburg, Inst Clin Epidemiol & Biometry, Josef Schnei Str 2, D-97080 Wurzburg, Germany
[13] Charite Univ Med Berlin, Inst Social Med Epidemiol & Hlth Econ, Luisenstr 57, D-10117 Berlin, Germany
[14] Charite Univ Med Berlin, Dept Infect Dis & Resp Med, Berlin, Germany
[15] Free Univ Berlin, Berlin, Germany
[16] Humboldt Univ, Berlin, Germany
[17] Univ Wurzburg, Comprehens Heart Failure Ctr, Schwarzenberg 15, D-97080 Wurzburg, Germany
[18] Univ Hosp Wurzburg, Schwarzenberg 15, D-97080 Wurzburg, Germany
[19] Univ Hosp Wurzburg, Dept Internal Med 1, Oberdurrbacher Str 6, D-97080 Wurzburg, Germany
[20] Lungenclin Grosshansdorf, Pulm Res Inst, Woehrendamm 68, D-22927 Grosshansdorf, Germany
[21] German Ctr Lung Res Dzl, Airway Res Ctr North Arcn, Wohrendamm 80, D-22927 Grosshansdorf, Germany
[22] Univ Med Ctr Schleswig Holstein, Internal Med Dept 1, Campus Kiel, D-24105 Kiel, Germany