Another project of the cluster (‘Assessing the risk of CAN in parents with SUD: development of an evidence-based instrument’; PI: Ulrike Ravens-Sieberer, Hamburg) finally aims at the development and psychometric testing of a short risk inventory to identify the risk of CAN among parents with SUD. The instrument will be based on a meta-analysis of specific risk factors of families with parental SUD, a systematic assessment in 392 SUD counselling services representative for 1399 such services in Germany, as well as on qualitative interviews with different groups of SUD practitioners. The short risk inventory will be tested regarding acceptance and practicability in N = 40 SUD services in Hamburg.