[1] Med Univ Vienna, Dept Dermatol, Vienna, Austria
[2] Linkoping Univ Hosp, Dept Clin Immunol & Transfus Med, S-58185 Linkoping, Sweden
[3] Univ Hosp Spedali Civili, Dept Dermatol, Brescia, Italy
[4] Med Univ Vienna, Dept Internal Med Bone Marrow Transplantat 1, Vienna, Austria
[5] Med Univ Vienna, Dept Thorac Surg, Vienna, Austria
[6] Avicenne Hosp, Dept Dermatol, Bobigny, France
[7] Linkoping Univ, Fac Hlth Sci, Dept Clin & Expt Med, Linkoping, Sweden
[8] Univ Turin, Dept Med Sci, Dermatol Clin, Turin, Italy
[9] Med Univ Vienna, Div Gastroenterol & Hepatol, Dept Internal Med 3, Vienna, Austria
[10] Univ Hosp, Dept Dermatol, Birmingham, W Midlands, England
[11] Univ Hosp Schleswig Holstein, Dept Dermatol & Allergol, Kiel, Germany
[12] Med Univ Graz, Dept Dermatol, Graz, Austria
[13] Charles Univ Prague, Dept Dermatol, Prague, Czech Republic
[14] HELIOS Klinikum Krefeld, Dept Dermatol, Krefeld, Germany
[15] Univ Paris 07, St Louis Hosp, Dept Dermatol, Sorbonne Paris Cite,INSERM,U976, Paris, France
[16] Univ So Calif, Dept Surg, Los Angeles, CA USA
[17] Univ Strasbourg, Dept Haematol & Oncol, Strasbourg, France
[18] Univ Med Ctr Freiburg, Dept Dermatol, Freiburg, Germany
[19] Nantes Univ Hosp, Dept Skin Canc, Nantes, France
[20] Heidelberg Univ, Dept Dermatol, Heidelberg, Germany
[21] Univ Zurich Hosp, Dept Dermatol, CH-8091 Zurich, Switzerland
[22] Bispebjerg Hosp, Dept Dermatol, DK-2400 Copenhagen, Denmark
[23] Otto Von Guericke Univ, Dept Dermatol & Venereol, Magdeburg, Germany
[24] Univ Hosp Marburg, Dept Dermatol & Allergol, Marburg, Germany
[25] Dessau Med Ctr, Dept Dermatol Venereol Allergol & Immunol, Dessau, Germany
[26] Heidelberg Univ, Univ Med Ctr Mannheim, Dept Dermatol Venereol & Allergol, Mannheim, Germany
[27] Univ Munster, Dept Dermatol, D-48149 Munster, Germany
[28] Univ Athens, Sch Med, Dept Dermatol, ATTIKON Gen Univ Hosp, GR-11527 Athens, Greece
[29] Univ Helsinki, Dept Dermatol & Allergol, Helsinki, Finland
[30] Univ Helsinki, Cent Hosp, Helsinki, Finland
[31] Johannes Wesling Med Ctr, Dept Dermatol, Minden, Germany
[32] Charite, Dept Dermatol, Berlin, Germany
[33] Charite, Dept Dermatol & Allergol, Berlin, Germany
[34] Vanderbilt Univ, Sch Med, Div Dermatol, Nashville, TN 37212 USA
[35] Univ Duisburg Essen, Dept Dermatol Venereol & Allergol, Essen, Germany