1 From the Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins Medical Institutions, Baltimore, Maryland.
2 Department of Medicine (Hematology), Oncology, Pathology, Center for Bloodless Medicine and Surgery, Institute for Cellular Engineering, The Johns Hopkins Medical Institutions, Baltimore, Maryland.
3 Department of Pathology (Transfusion Medicine), The Johns Hopkins Medical Institutions, Baltimore, Maryland.