Hodiamont, Farina ORCID: 0000-0001-7351-7092; Schatz, Caroline; Gesell, Daniela; Leidl, Reiner; Boulesteix, Anne-Laure; Nauck, Friedemann; Wikert, Julia; Jansky, Maximiliane; Kranz, Steven; Bausewein, Claudia (2022): COMPANION: development of a patient-centred complexity and casemix classification for adult palliative care patients based on needs and resource use – a protocol for a cross-sectional multi-centre study. BMC Palliative Care, 21: 18. ISSN 1472-684X