Fig. 5From: Review and evaluation of the methodological quality of the existing guidelines and recommendations for inherited neurometabolic disordersCorrelation between quality of the GLs/RCs and number of authors, countries or affiliations. Linear regression analysis was used to determine whether the overall quality assessment (OQA) of a GL could depend on the number of authors (a), countries (b) or affiliations (c) involved in its elaborationBack to article page