1. The International Oncology Study Group, Houston, Texas, USA
2. Bejing Medical University, Beijing, PR China
3. Tata Memorial Hospital, Parel, Bombay, India
4. Hasan Sadikin Hospital, Bandung, Indonesia
5. Allama Iqbal Medical College, Lahore, Pakistan
6. Children's Medical Center, Banaue St, Quezon City, Philippines
7. Singapore General Hospital, Outram RdSingapore
8. Sandton Oncology Centre, Sandton, South Africa
9. Teshreen Military Hospital, Damascus, Syria
10. Tri-Service General Hospital, Ding-Chow Rd, Taipei, Taiwan
11. Inonu University, Malatya, Turkey