“…The Netherlands 4 (9.5) 17,26,40,51 France 3 (7.1) 11, 41,44 Other (Belgium, Germany) 3 (7.1) 7,12,39 EMR Saudi Arabia 1 (2.4) 62 Study design Qualitative 10 (23.8) 12,17,[19][20][21]26,[36][37][38]53 Quantitative 7 (16.7) 18,27,28,43,50,51,80 Combined-qualitative and quantitative a 8 (19.0) [29][30][31][32][33][47][48][49] Other b 17 (40.5) 7,11,22,34,35,[39][40][41][42][44][45][46]52,54,55,61,…”