“…PAM-13 validation studies were conducted also in a series of specific patient populations, including diabetes [37,84,85], metabolic syndrome [86], multiple sclerosis [87], neurological disorders [88,89], hypertension [37,85], cardiac conditions [90], schizophrenia [91], mental disorders [92], osteoarthritis [93][94][95], rheumatic diseases [37,96], HIV [97] or not specified chronic diseases [98][99][100], and clinical settings in different countries [101][102][103][104][105]. In some of these studies, convergent validity was assessed using generic and disease-specific measures of health-related attitudes or behaviours, such as self-efficacy [87,88,96,101], selfesteem [98], lifestyle [89] or health literacy [103,106].…”