Acknowledgements
This study was supported by Jiangsu Hengrui Pharmaceuticals Co., Ltd. The funding organizations had no role in the design and conduct of the study; collection, management, and analysis of the data; review or approval of the manuscript; and decision to submit the manuscript for publication. We thank Silu Wang (Department of Medical affairs, Jiangsu Hengrui Pharmaceuticals Co., Ltd.) for his assisstence in data interpretation, Yitao Wang (Department of Medical affairs, Jiangsu Hengrui Pharmaceuticals Co., Ltd.) for his assistance in statistical support, and Zhongjiang Chen (Department of Medical affairs, Jiangsu Hengrui Pharmaceuticals Co., Ltd.) for medical writing assistance.