title: Commentary.
authors.affiliation: University of Missouri - Kansas City School of Medicine, Kansas City, MO;
authors.forename: Parmpreet
authors.initials: P
authors.lastname: Kaur
authors.affiliation: Department of Laboratory; Medicine and Pathology, Mayo Clinic, Rochester, MN. singh.ravinder@mayo.edu.
authors.forename: Ravinder J
authors.initials: RJ
authors.lastname: Singh