[1] Univ Parma, Dipartimento Patol & Med Lab, Sez Anat Patol, I-43100 Parma, Italy
[2] Univ Parma, Dept Pathol, I-43100 Parma, Italy
[3] Univ Kiel, Dept Pathol, D-2300 Kiel, Germany
[4] Hop Beaujon, Dept Pathol, Clichy, France
[5] Stadspital Triemli, Dept Pathol, Zurich, Switzerland
[6] Univ Bern, Dept Pathol, CH-3000 Bern, Switzerland
[7] Univ Porto, Dept Pathol, Porto Med Sch, P-4100 Oporto, Portugal
[8] Univ Porto, IPATIMUP, P-4100 Oporto, Portugal
[9] Glasgow Royal Infirm, Dept Pathol, Glasgow G4 0SF, Lanark, Scotland
[10] Univ Gothenburg, Dept Pathol, Gothenburg, Sweden
[11] Tech Univ Munich, Klinikum Rechts Isar, Dept Pathol, D-8000 Munich, Germany
[12] Univ Verona, Dept Pathol, I-37100 Verona, Italy
[13] Univ Lyon, Dept Pathol, Lyon, France
[14] Campus Virchow Klinikum, Dept Internal Med, Berlin, Germany