1. Department of Pathology and Laboratory MedicineMedStar Georgetown University Hospital Washington, DC USA
2. Department of Transfusion Medicine, NIH Clinical CenterNational Institutes of Health Bethesda Maryland USA
3. Diagnostic LaboratoriesVersiti Milwaukee Wisconsin USA
4. Department of Obstetrics and GynecologyMedStar Georgetown University Hospital Washington, DC USA
5. Clinical EducationVersiti Milwaukee Wisconsin USA
6. National Molecular LaboratoryAmerican Red Cross Biomedical Services Philadelphia Pennsylvania USA
7. Laboratory of Immunohematology and GenomicsNew York Blood Center Enterprises New York New York USA
8. Mississippi Valley Regional Blood Center Davenport Iowa USA
9. Childrenʼs National Medical Center Washington, DC USA
10. Vitalant Scottsdale Arizona USA
11. Defense Health AgencyArmed Services Blood Program Office Falls Church Virginia USA