“…Cardoni and Thompson (1978),Golightly et al (1988),Kinky et al (1999),Marrone and Heck (2000),Melnyk et al (2000) UK 9Badiani et al (2017),Bramley et al (2009Bramley et al ( , 2013,Bramley (2018),Innes et al (2014),Joseph & James (2004),McEntee et al (2010),Stubbington et al (1998), Rutter et al (2015) Europe 6 Bertsche et al (2007), Frost Widnes and Schjøtt (2009), Hedegaard and Damkier (2009), Maywald et al (2004), Schjøtt et al (2002), Strobach et al (2015) Publication year 1978-2009 10 Bertsche et al (2007), Cardoni and Thompson (1978), Golightly et al (1988), Kinky et al (1999), Marrone and Heck (2000), Melnyk et al (2000), Stubbington et al (1998), Kinky et al (1999), Marrone and Heck (2000), Schjøtt et al (2002) Post 2009 10 Badiani et al (2017), McEntee et al (2010), Frost Widnes and Schjøtt (2009), Strobach et al (2015), Bramley et al (2009, 2013), Bramley (2018), Innes et al (2014), Joseph & James (2004), Rutter et al (2015) Type of study Survey 12 Badiani et al (2017), Bramley et al (2013), Bramley (2018), Bertsche et al (2007), Frost Widnes and Schjøtt (2009), Hedegaard and Damkier (2009), Innes et al (2014), Joseph & James (2004), McEntee et al (2010), Maywald et al (2004), Schjøtt et al (2002), Stubbington et al (1998) Interview 5 Bramley et al (2009), Cardoni and Thompson (1978), Melnyk et al (2000), Rutter et al (2015. (2017), Bertsche et al (2007), Bramley et al (2009, 2013), Bramley (2018), Hedegaard and Damkier (2009), McEntee et al (2010), Maywald et al (2004), Melnyk et al (2000), Kinky et al (1999), Marrone and Heck (2000), Frost Widnes and Schjøtt (2009), Strobach et al (2015), Innes et al (2014), Joseph & James (2004), Rutter et al (2015) Retrospective 4 Cardoni and Thompson (1978), Golightly et al (1988), Kinky et al (1999), Schjøtt et al (2002) Single centre 14 Badiani et al (2017), Bertsche et al (2007), Cardoni and Thompson (1978), Golightly et al (1988), Hedegaard and Damkier (2009), Joseph & James (2004), Kinky et al (1999), McEntee et al (2010), Marrone and Heck (2000), Maywald et al (2004), Melnyk et al (2000), Schjøtt et al (2002), Strobach et al (2015), Stubbington et al (1998) Multi-centre 6 Bramley et al (2009, 2013), Bramley (2018), Frost Widnes and Schjøtt (2009), Innes et al (2014), Rutter et al (2015) Population under study Clinician 14 Bertsche et al (2007), Bramley et al (2009, 2013), Cardoni and Thompson (1978), Frost Widnes and Schjøtt (2009), Hedegaard and Damkier (2009), Innes et al (2014), Kinky et al (1999), McEntee et al (2010), Marrone and Heck (2000), Rutter et al (2015), Schjøtt et al (2002), Strobach et al (2015), Stubbington et al .…”