[1] Univ Parma, Dipartimento Patol & Med Lab, Sez Anat Patol, I-43100 Parma, Italy
[2] Univ Kiel, Dept Pathol, D-2300 Kiel, Germany
[3] Gothenburg Univ, Dept Surg, S-41124 Gothenburg, Sweden
[4] Royal Free Hosp, Dept Internal Med, London NW3 2QG, England
[5] Hop Beaujon, Dept Pathol, Clichy, France
[6] Dept Internal Med, Rotterdam, Netherlands
[7] Univ Uppsala Hosp, Dept Endocrinol, Uppsala, Sweden
[8] Univ Florence, Dept Internal Med, Florence, Italy
[9] Univ Verona, Dept Surg, I-37100 Verona, Italy
[10] Kantonsspital, Dept Pathol, Baden, Switzerland
[11] Univ Bern, Dept Pathol, CH-3000 Bern, Switzerland
[12] Univ Porto, Dept Pathol, Sch Med, P-4100 Oporto, Portugal
[13] Univ Porto, IPATIMUP, P-4100 Oporto, Portugal
[14] Glasgow Royal Infirm, Dept Pathol, Glasgow G4 0SF, Lanark, Scotland
[15] Gothenburg Univ, Dept Pathol, S-41124 Gothenburg, Sweden
[16] Univ Spital Zurich, Dept Pathol, Zurich, Switzerland
[17] Univ Verona, Dept Pathol, I-37100 Verona, Italy
[18] Univ Lyon, Dept Pathol, Lyon, France
[19] Dept Internal Med, Berlin, Germany