Screening for health-related quality of life in children and adolescents: Optimal cut points for the KIDSCREEN-10 for epidemiological studies
G. Hirschfeld, R. von Brachel, C. Thiele, Quality of Life Research 29 (2020) 529–536.

How depressed is cdepressedd? A systematic review and diagnostic meta-analysis of optimal cut points for the Beck Depression Inventory revised (BDI-II)
M. von Glischinski, R. von Brachel, G. Hirschfeld, Quality of Life Research 28 (2019) 1111–1118.