Enabling Uncertainty Measurement in Multi-subregion Tumor Segmentation: BraTS 2025 Pediatrics. - Khashayar Namdar; Saeidehsadat Mirjalili; Sangwook Kim; Dominik Deniffel; Keith Brunt; Leo Anthony Celi; Michael D. Cusimano; Pascal N. Tyrrell (BraTS-Lighthouse/AIMS-TBI@MICCAI (1), 2025)