“…The study populations from the empirical papers were patients with cancer (n = 8) [ 15 , 27 – 29 , 45 , 51 , 59 ], mental health illness (n = 8) [ 34 , 35 , 39 , 42 , 46 , 49 , 50 , 61 ], cardiovascular disease (n = 2) [ 24 , 54 ], kidney failure (n = 1) [ 52 ], traumatic brain injury (n = 1) [ 38 ], reproductive dysfunction (n = 1) [ 30 ], women with prior gestational diabetes mellitus (n = 1) [ 43 ], older adults and geriatric disorders (n = 7) [ 25 , 26 , 36 , 40 , 47 , 56 , 57 ], stroke (n = 2) [ 53 , 55 ], ankylosing spondylitis (n = 1) [ 44 ], persons living with diabetes (n = 1) [ 60 ], and patients with rehabilitation needs (n = 2) [ 31 , 48 ]. In four studies, no specific disease population was described [ 32 , 37 , 41 , 58 ]. In 21 studies, solely patients were involved [ 27 , 29 , 30 , 34 , 35 , 39 , 40 , 44 , 45 , 47 , 48 , 51 , 52 , 55 – 57 , 61 – 65 ], six studies involved public [ 32 , 36 , 38 , 42 , 46 , 58 ], 19 studies involved a combinatio...…”