Marjon Borgert

88 Chapter 4 Supplementary File 2 Quality assessments Table 1. Quality assessments by using the checklist of Downs and Black 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Total score Harnage, 2007 1 1 0 1 0 0 0 0 1 0 1 0 1 0 0 0 1 0 0 0 1 1 0 0 0 1 0 10 Berenholtz, 2004 1 1 0 1 1 1 1 0 1 1 1 1 1 0 0 1 1 1 1 1 1 1 0 0 0 1 0 19 Khalid, 2013 1 1 0 1 0 1 1 0 1 1 1 0 1 0 0 0 1 1 1 1 0 1 0 0 0 1 0 15 Kubilay, 2013 1 1 1 1 0 1 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 0 0 1 0 14 Romero, 2013 1 1 1 1 0 1 1 0 1 1 1 0 1 0 0 0 1 1 1 1 0 1 0 0 0 1 0 16 Puntillo, 2014 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 24 Titsworth, 2012 1 1 1 1 0 0 0 0 1 1 1 0 1 0 0 0 1 1 1 1 0 1 0 0 0 1 0 14 Chatzi, 2014 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 0 0 0 1 0 18 Hocking, 2012 1 1 1 1 0 0 1 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 0 0 0 1 0 17