[1] Univ Cologne, Fac Med, Dept Dermatol & Venereol, Cologne, Germany
[2] Univ Hosp Cologne, Cologne, Germany
[3] Univ Lubeck, LIED, Lubeck, Germany
[4] Univ Lubeck, Dept Dermatol, Lubeck, Germany
[5] Univ Med Ctr Mainz, Dept Dermatol, Mainz, Germany
[6] Goethe Univ, Univ Hosp, Dept Dermatol Venereol & Allergol, Frankfurt, Germany
[7] Heidelberg Univ Hosp, Dept Dermatol, Heidelberg, Germany
[8] Justus Liebig Univ, Univ Med Ctr Giessen UKGM, Dept Dermatol, Giessen, Germany
[9] Univ Freiburg, Med Ctr, Dept Dermatol, Allergy Res Grp, Freiburg, Germany
[10] Charite, Dept Dermatol Venereol & Allergol, Dermatol Allergol, Allergie Ctr Charite, Berlin, Germany
[11] Univ Hosp Erlangen, Dept Dermatol, Erlangen, Germany
[12] Univ Hosp Munster, Dept Dermatol, Munster, Germany
[13] Martin Luther Univ Halle Wittenberg, Univ Hosp Halle, Dept Dermatol & Venerole, Halle, Saale, Germany
[14] Univ Hosp Regensburg, Dept Dermatol, Regensburg, Germany
[15] Hautzentrum Regensburg, Regensburg, Germany
[16] Carl Gustav Carus Univ Hosp, Dept Dermatol & Allergol, Dresden, Germany
[17] Tech Univ Munich, UNIKA T, Chair & Inst Environm Med, Augsburg, Germany
[18] Helmholtz Zentrum Munchen, Augsburg, Germany
[19] Univ Hosp Schleswig Holstein, Dept Dermatol Venerol & Allergol, Campus Kiel, Kiel, Germany
[20] Univ Basel, Dept Dermatol, Div Allergy, Basel, Switzerland
[21] Univ Basel, Dept Biomed, Basel, Switzerland
[22] Univ Hosp Wurzburg, Dept Dermatol Venerol & Allergol, Wurzburg, Germany
[23] Univ Hosp Bonn, Dept Dermatol & Allergy, Bonn, Germany
[24] Tech Univ Munich, Dept Dermatol & Allergol, Munich, Germany
[25] Univ Tubingen, Dept Dermatol, Tubingen, Germany
[26] Univ Hosp Dusseldorf, Dept Dermatol, Dusseldorf, Germany
[27] Univ Med Ctr Marburg UKGM, Dept Dermatol & Allergol, Marburg, Germany
[28] Fed Army Hosp, Dept Dermatol Venereol & Allergol, Hamburg, Germany
[29] Techniker Krankenkasse, Hamburg, Germany