1. Department of Pediatrics, Center for Blood Oxygen Transport and Hemostasis, University of Maryland School of Medicine, Baltimore, MD, USA
2. Cardiovascular and Pulmonary Research Laboratory, Department of Medicine, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA
3. Department of Biochemistry & Molecular Genetics, Graduate School, University of Colorado, Anschutz, Medical Campus, Aurora, CO, USA
4. Division of Hematology Colorado Sickle Cell Treatment and Research Center, School of Medicine, Anschutz Medical Campus, University of Colorado-Denver School of Medicine, Aurora, CO, USA
5. Department of Pediatrics, Anschutz Medical Campus, University of Colorado, Aurora, CO, USA
6. Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, USA