1. DDL Diagnostic Laboratory; Visseringlaan 25, 2288 ER Rijswijk The Netherlands
2. Cancer Hospital, Chinese Academy of Medical Sciences; Beijing China
3. MINZU University of China; Haidian District Beijing China
4. Weill Medical College of Cornell University; 525 E 68th Street New York NY
5. GlaxoSmithKline Biologicals; Avenue Fleming 20 Wavre Belgium