1. Department of Hematology, Collaborative Innovation Center for Cancer Personalized Medicine, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Provincial People's Hospital, Nanjing, China
2. Department of Internal Medicine V (Hematology/Oncology/Rheumatology), Heidelberg University Hospital, Heidelberg, Germany
3. Pukou CLL Center, Pukou division of Jiangsu Province Hospital, Nanjing, China
4. National Center for Tumor Diseases (NCT), German Cancer Consortium (DKTK), Heidelberg, Germany