1. Research and Development Centre; Skaraborg Hospital; Skövde Sweden
2. School of Health and Education; University of Skövde; Skövde; Sweden
3. Department of Clinical immunology and transfusion medicine; Sahlgrenska University Hospital; Gothenburg Sweden
4. Department of Oncology; Institute of Clinical Sciences; Sahlgrenska Academy; Sahlgrenska University Hospital; Sweden University of Gothenburg; Gothenburg Sweden