1. Department of Pathology, University of Colorado School of Medicine, Aurora,CO, USA;
2. Department of Pathology, Duke University, Durham, NC, USA;
3. Division of Pathology and Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA;
4. Department of Laboratory Medicine, University of California and Veterans Affairs Medical Center, San Francisco, CA, USA;
5. Colorado Genetics Laboratory, University of Colorado School of Medicine, Aurora,CO, USA;
6. Department of Pathology, Children’s Hospital Colorado, Aurora,CO, USA