Table 1

Risk of bias assessment of the included studies (case reports and case series)

 Study Cases (n) Question 1 Question 2 Question 3 Question 4 Question 5 Risk of bias Alzamora et al 29 1 Yes Yes Yes Yes Yes Low Kamali Aghdam et al 30 1 Yes Yes Yes Yes Yes Low Chacón-Aguilar et al 31 1 Yes Yes Yes Yes Yes Low Piersigilli et al 32 1 Yes Yes Yes Yes Yes Low Wang et al 33 1 Yes Yes Yes Yes Yes Low Wang et al 34 1 Yes Yes Yes Yes Yes Low Yu et al 35 1 Yes Yes Yes Yes Yes Low Zeng et al 36 3 Yes Yes Yes Yes Yes Low
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