[1] Med Univ Graz, Diagnost & Res Inst Pathol, Graz, Austria
[2] Queen Elizabeth II Hosp, Dept Pathol, Grande Prairie, AB, Canada
[3] Mayo Clin, Dept Lab Med & Pathol, Rochester, MN USA
[4] Royal Orthopaed Hosp NHS Fdn Trust, Dept Musculoskeletal Pathol, Birmingham, W Midlands, England
[5] Univ N Carolina, Sch Med, Dept Pathol & Lab Med, Chapel Hill, NC 27515 USA
[6] Univ Pannsylvania, Perelman Sch Med, Childrens Hosp Philadelphia, Div Anat Pathol, Philadelphia, PA USA
[7] Singapore Gen Hosp, Dept Pathol, Singapore, Singapore
[8] Scottsdale Healthcare SHEA, Dept Pathol, Scottsdale, AZ USA
[9] Dartmouth Hitchcock Med Ctr, Dept Pathol, Lebanon, NH 03766 USA
[10] Geisel Sch Med Dartmouth, Hanover, NH USA
[11] Harvard Med Sch, Massachusetts Gen Hosp, Dept Pathol, Boston, MA 02115 USA
[12] Univ Miami, Dept Pathol & Lab, Miami, FL 33136 USA