1. Laboratory of Immunobiology of Infections, Centre of Medical Biology and Microbiology, Polish Academy of Sciences
2. Department of Biochemistry
3. Department of Paediatrics and Gastroenterology, Institute-Polish Mothers’ Memorial Hospital
4. Department of Paediatrics and Clinical Immunology, Medical University
5. Department of Clinical Immunology, Institute-Polish Mothers’ Memorial Hospital, Lodz, Poland
6. Scottish National Blood Transfusion Service, National Science Laboratory, Edinburgh, UK