Systematic Reviews
Copyright ©The Author(s) 2020.
World J Gastroenterol. Sep 14, 2020; 26(34): 5181-5206
Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5181
Figure 1
Figure 1 Summary of article selection for the comprehensive literature review adapted on the principles recommended by the preferred reporting items for systematic reviews and meta-analysis report[22]. n = number of studies.