1. Department of Biotherapy and Oncology, Shenzhen Luohu People's Hospital, Shenzhen, Guangdong 518001, P.R. China
2. Department of Laboratory, Women and Children Health Institute of Futian, Shenzhen, Guangdong 518045, P.R. China
3. Central Laboratory, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China