1. Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
2. State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan 610041, China
3. Department of Structural Biology, St. Jude Children’s Research Hospital, Memphis, Tennessee 38105, United States
4. Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, Guangdong 511436, China