1. Department of Pathology and Laboratory Medicine, Keck School of Medicine at USC, LAC+USC Medical Center, Los Angeles, CA, USA
2. Department of Pathology, MedStar Health/Georgetown University School of Medicine, Medical Dental Building, Washington, DC, USA
3. Department of Pathology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
4. Department of Pathology, NorthShore University Health System, Evanston, IL, USA