Received: 1 August 2020
Accepted: 2 February 2021
First Online: 8 February 2021
Ethics approval and consent to participate
: The study design was approved by the ethics review board of the 3rd Affiliated Hospital of Shenzhen University (NO. 2020-SZLH-LW-010). Informed consent was obtained from the patient.
: The patient quickly deteriorated into a coma after the second admission. His postoperative cognition was such that he could not normally communicate with others. Therefore, he was not able to provide informed consent for publication. We obtained written consent for publication from the patient legal guardian.
: No potential conflict of interest relevant to this article was reported.