1. Institute of Research and Biomedical Genetics, National Research Council, Sassari, Italy;
2. Department of Hematology, Hue University of Medicine and Pharmacy, Hue, Vietnam;
3. Department of, Hematology, Hue Central Hospital, Hue, Vietnam;
4. Department of Hematology, Da Nang University of Medical Technology and Pharmacy, Da Nang, Vietnam;
5. Department of Biomedical Sciences, University of Sassari, Sassari, Italy