Lori A Erickson1, Ozgur Mete2. 1. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA. Erickson.Lori@mayo.edu. 2. Department of Pathology, Laboratory Medicine Program, University Health Network, and the Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada. Ozgur.Mete2@uhn.ca.