“…as high quality, 17,20,23,25 and three as low quality. 22,27,31 When assessed against the 'clinical validity' criterion, most included guidelines were rated as medium quality (n = 8), 18,19,24,[26][27][28][29][30] followed by high quality (n = 5), 17,20,21,23,25 and low quality (n = 2). 22,31 The 'overall quality' of included guidelines was rated as medium for nine guidelines, 18,19,21,24,[26][27][28][29][30] high for four guidelines, 17,20,23,25 and low for two guidelines.…”