“…The country of publication differed between the included studies. There were six studies conducted among RA patients in North America (the USA) [ 16 , 19 , 33 , 34 , 37 , 40 ], two studies in Latin America (Mexico, Colombia, and Brazil) [ 12 , 14 ], two in Asia Pacific (Australia and Taiwan) [ 25 , 35 ] and six in Europe (France, Sweden and Netherlands) [ 11 , 15 , 17 , 36 , 38 , 39 ].…”