Received: 29 December 2020
Accepted: 9 March 2021
First Online: 23 March 2021
: Because only the medical records were reviewed, this case series was exempted from signing informed consent, which was approved by the Human Research Ethics Committee of Zhongshan Hospital Clinic (B2021-130).
: Not applicable.
: The authors declare no conflicts of interest for the research conducted in this study.