... In all, 52 papers have been included in the review ( Fig. 1 ) Timeframe of publication for the 52 included studies ranged from 2008 to 2019. Of the included papers, 31 were quantitative; comprising 15 cross sectional studies ( Abbas et al., 2019 ;Abera et al., 2014 ;Cotta et al., 2014 ;Drekonja et al., 2019 ;Fehily et al., 2015 ;Greendyke et al., 2018 ;McGregor et al., 2015 ;Merrill et al., 2019 ;Monsees et al., 2018 ;Mostaghim et al., 2017 ;Scales et al., 2017 ;Sutthiruk et al., 2018 ;Toska and Geitona, 2015 ;Wilcock et al., 2019 ;Wilcock et al., 2018 ), 4 pre-post studies, ( Hale et al., 2017 ;Heath et al., 2016 ;Wentzel et al., 2016 ;Wilson et al., 2017 ) 4 quasi experimental studies, ( Gillespie et al., 2013 ;Shah et al., 2019 ;Stuart et al., 2015 ;Zabarsky et al., 2008 ) 4 prospective studies, ( Abahamye, 2016 ;Messina et al., 2015 ;Musmar et al., 2014 ;Saha et al., 2017 ) 2 retrospective studies ( dos Santos, 2016 ;Ha et al., 2019 ) and one historical control study ( Dowson et al., 2019 ). One quantitative study incorporated more than one design ( Advani et al., 2019 ). ...