Department of Pathology and Laboratory Medicine, Indiana University School of Medicine and Indiana University Health Partners, Indianapolis, Indiana (T.M.U.)

James Homer Wright Pathology Laboratories, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts (R.H.Y.)

The authors declare no conflict of interest.

Address correspondence to Thomas M. Ulbright, MD, Indiana University Health Pathology Laboratory, Room 4014, 350 West 11th Street, Indianapolis, IN 46202. E-mail: [email protected].