1. Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
2. DDL Diagnostic Laboratory; Visseringlaan 25, 2288 ER Rijswijk The Netherlands
3. Minzu University of China; Haidian District Beijing China
4. Jiangxi Women and Children's Hospital; Jiangxi
5. GlaxoSmithKline Vaccines; Avenue Fleming 20 Wavre Belgium
6. Department of Occupational and Environmental Health, West China School of Public Health; Sichuan University; Chengdu People's Republic of China
7. Weill Medical College of Cornell University; 525 E 68th Street New York