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The worlds population is ageing rapidly. Estimates by the United Nations (UN) and World Health Organization (WHO) suggest that between 2015 and 2050, the proportion of the world's older adults will almost double from about 12% to 22% [1]. In absolute terms, this is an expected increase from 900 million to 2 billion people over the age of 60. Older people face unique physical and mental health challenges that need to be recognized. Mental health and well-being are particularly important in older age. While most have good mental health, many older adults are at high risk of developing mental and neurological disorders, as well as other medical conditions. Similarly, as people age, they are more likely to experience a number of conditions at the same time [2]. Besides, there are numerous social, psychological, and ecological factors that can impact the mental wellbeing of older people.