Timely Integration of specialist palliative care into oncology care for patients receiving radiotherapy for bone metastases: A study procotol for the TIPZO-RT Randomized Controlled Trial. - van Oss A; van der Velden JM; Verkooijen HM; van Jaarsveld R; Hesselmann GM; Kuip EJM; Westhoff PG; Raijmakers NJH; van der Linden YM; Gal R (PloS one, 2026)