“…Of the 17 studies, 8 were conducted in the USA [ 27 – 34 ], 4 in the UK [ 9 , 35 – 37 ], 2 in Canada [ 38 , 39 ] and 1 each in the Netherlands [ 40 ], Australia [ 41 ], and Sweden [ 42 ]. Twelve of the studies were reported in journal articles [ 9 , 27 , 30 , 32 – 35 , 38 – 42 ] and 5 were part of doctoral research [ 28 , 29 , 31 , 36 , 37 ]. Eight of the studies used qualitative methodology [ 9 , 27 , 28 , 31 , 34 , 36 , 37 , 42 ], 6 were quantitative [ 29 , 30 , 33 , 38 – 40 ] and 3 used mixed methods [ 32 , 35 , 41 ].…”