Received: 11 October 2021
Accepted: 9 March 2022
First Online: 21 March 2022
: This study was reviewed and approved by the institutional review boards at all five hospitals, including National Taiwan University Hospital, China Medical University Hospital, Changhua Christian Hospital, National Cheng-Kong University Hospital and HuaLien Tzu Chi Hospital, and Academia Sinica. Informed consent was waived by IRB at all hospitals and Academia Sinica given the retrospective study design to obtain tumor tissue and review medical records. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.