[1] Cleveland Clin, Pathol & Lab Med Inst, Cleveland, OH 44195 USA
[2] Coll Amer Pathologists, Northfield, IL USA
[3] Duke Raleigh Hosp, Raleigh, NC USA
[4] Duke Univ, Raleigh, NC USA
[5] Univ Kansas, Med Ctr, Cytotechnol Program, Kansas City, KS USA
[6] North Shore Long Isl Jewish Hlth Syst, Div Cytopathol, New Hyde Pk, NY USA
[7] Mayo Clin, Div Pathol & Lab Med, Dept Cytopathol, Rochester, MN USA