1. Institute of Hematology and Transfusion Medicine; Warsaw Poland
2. Specialized Hematological Hospital “Joan Pavel”; Sofia Bulgaria
3. State Institution “Institute of Blood Pathology and Transfusion Medicine of the Academy of Medical Sciences of Ukraine”; Lviv Ukraine
4. Hematological Research Center; Moscow Russia
5. Prof. Dr. C. T. Nicolau National Institute for Transfusional Hematology; Bucharest Romania
6. Hospital Dr. Sotero del Rio; Santiago Chile
7. Global Clinical Research and Development; Baxter BioScience; Westlake Village CA USA
8. Global Clinical Research and Development; Baxter BioScience; Vienna Austria