“…Studies were conducted in Australia [ 6 , 9 , 10 , 11 , 22 , 23 ], Austria [ 24 ], Brazil [ 5 , 12 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 ], Canada [ 38 ], Germany [ 39 ]. Greece [ 40 ], Japan [ 41 ], Korea [ 42 ], the Netherlands [ 43 , 44 ], Portugal [ 45 , 46 ], Saudi Arabia [ 47 ], Sweden [ 48 ], United Kingdom [ 49 ], and the United States of America [ 50 , 51 ]. The total number of participants across 36 studies was 3914 (56% males), and the mean ± SD for age was 67 ± 8 years.…”