1. Division of Hematology and Oncology Children's National Medical Center Washington DC USA
2. The George Washington University School of Medicine Washington DC USA
3. Sickle Cell Branch National Heart, Lung and Blood Institute Bethesda MD USA
4. National Institutes of Health Bethesda MD USA
5. Pain and Integrative Neuroscience Laboratory National Center for Complementary and Integrative Health Bethesda MD USA
6. Ohio State University Columbus OH USA
7. National Cancer Institute Rockville MDUSA
8. Molecular and Clinical Hematology Branch National Institute of Diabetes and Digestive and Kidney Diseases Bethesda MD USA