Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. Supporting Information Filename Description jnu70106-sup-0001-Supinfo01.docxWord 2007 document , 69 KB Table S1: Search strategy structured according to the PCC framework. Table S2: Characteristics and key findings of included studies. Table S3: Full search strategies for all databases.