1 Department of Pathology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA. Electronic address: mark.mochel@vcuhealth.org.
2 Department of Pathology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.
3 Department of Orthopedic Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.
4 Department of Pathology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA; Department of Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.