1. Liver Diseases Branch NIDDK, NIH BethesdaMDUSA
2. Molecular and Clinical Hematology Branch NHLBI, NIH BethesdaMDUSA
3. Sickle Cell Branch NHLBI, NIH BethesdaMDUSA
4. Laboratory of Pathology NCI, NIH BethesdaMDUSA
5. Interventional Radiology, Department of Diagnostic Radiology NIH Bethesda, MD USA