[1] Case Western Reserve Univ, Cleveland, OH 44106 USA
[2] Indiana Univ Hlth, Dept Pathol & Lab Med, Indianapolis, IN USA
[3] N Shore Long Isl Jewish Hlth Syst, Hofstra N Shore LIJ Sch Med, Dept Pathol, Manhasset, NY USA
[4] Univ Minnesota, Dept Lab Med & Pathol, Minneapolis, MN 55455 USA
[5] PGD Study Grp, Cleveland, OH USA