Corrigendum to: Palliative care and end-of-life care in adults with malignant brain tumors. Issue 1 (23rd November 2022) - Koekkoek, Johan A F; van der Meer, Pim B; Pace, Andrea; Hertler, Caroline; Harrison, Rebecca; Leeper, Heather E; Forst, Deborah A; Jalali, Rakesh; Oliver, Kathy; Philip, Jennifer; Taphoorn, Martin J B; Dirven, Linda; et al.