The daughter of TV doctor Dr. Johannes Wimmer died of a rare brain tumor in 2020. A report on the experiences of the Wimmer family, which has stood firmly by the side of the Children’s Cancer Center Charity Association since that time.

Maurice became the first child to be treated with innovative CAR-T cell therapy at the Children's Cancer Center Hamburg.

Nine-year-old Hannes has Down syndrome and was diagnosed with leukemia in February 2018.