Acknowledgments
The authors thank the patients and their families and all investigators and site personnel. We also thank the clinical study team (clinical operations: Jing Zhao; statistics: Yang Yang, Jiancheng Cheng) and Wenjie Zhang from Shanghai Henlius Biotech, Inc., for their support in study execution and statistical analyses. Medical writing assistance was provided by Lawrence Law of Parexel, and Shiqi Zhong and Chen Hu of Shanghai Henlius Biotech, Inc., and was funded by Shanghai Henlius Biotech, Inc.