1. Medical Center of Hematology, The Xinqiao Hospital of Army Medical University, Chongqing, China
2. Department of Clinical Laboratory, Children’s Hospital of Chongqing Medical University, Chongqing, China
3. Department of Hematology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
4. Regeneron Pharmaceuticals, Tarrytown, NY, USA
5. Department of Infectious Disease, The Second Affiliated Hospital of Harbin Medical University, Harbin, China