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 |
Tool details
Low risk items: Green shading, Unclear risk: Yellow shading, High risk: red shading