1. Department of Pathology; Stanford University School of Medicine; Stanford CA USA
2. Department of Pathology; University of California San Francisco (UCSF); San Francisco CA USA
3. Department of Pathology; Baystate Medical Center (University of Massachusetts Medical School-Baystate); Springfield MA USA
4. Department of Laboratory Medicine and Pathology; Mayo Clinic; Rochester MN USA
5. Department of Pathology; University of Michigan; Ann Arbor MI USA