POMC and nutritional deficiency disease: At the POMC, patients received malnutrition screening using the Malnutrition Screening Tool (MST) (Ferguson et al. 1999), frailty screening with the Clinical Frailty Scale (CFS) (Juma et al. 2016; Rockwood et al. 2005), functional capacity screening using the 6-min walk test (6MWT) (Bohannon and Crouch 2017), and Duke Activity Status Index (DASI) (Wijeysundera et al. 2020).