1. Department of Immunology, University Children’s Hospital of Krakow, Krakow, 30-663, Poland
2. Department of Paediatrics, Haematology & Oncology, Medical University of Gdansk, Gdansk, 80-211, Poland
3. Department of Paediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, 41-800, Poland
4. Department of Immunology, Children’s Memorial Health Institute, Warsaw, 04-730, Poland
5. Takeda Pharma Sp. z.o.o., Medical Affairs, Warsaw, 00-838, Poland
6. Takeda Development Center Americas, Inc., Cambridge, MA02421, USA