[1] St Jude Childrens Res Hosp, Dept Pathol, 262 Danny Thomas Pl, Memphis, TN 38105 USA
[2] St Jude Childrens Res Hosp, Dept Diagnost Imaging, 332 N Lauderdale St, Memphis, TN 38105 USA
[3] Augusta Univ, Med Coll Georgia, Dept Pathol, Augusta, GA 30912 USA
[4] St James Univ Hosp, Dept Histopathol, Leeds, W Yorkshire, England
[5] Childrens Hosp Wisconsin, Dept Pathol, Milwaukee, WI 53226 USA