“…The size of the older population is increasing in Europe as an outcome of advances in medicine, improved healthcare, sanitation, and increased life expectancy [ 1 , 2 , 3 ]. Providing cost-effective support for the aging population is a key objective for governments [ 4 , 5 ], as aging is related to a number of common conditions, such as reduced mobility [ 6 ], dementia [ 7 , 8 , 9 , 10 ], Alzheimer [ 10 , 11 , 12 ], and other physiological or psychological problems [ 13 , 14 , 15 ]. These lead to reduced independence for the individuals, resulting in an increased number of older people being admitted to nursing homes and requiring assistance for living [ 16 , 17 ].…”