Siriraj Hospital, Mahidol University, Bangkok, Thailand
National Taiwan University Hospital, Taipei, Taiwan
Sanglah University Hospital, Bali, Indonesia
Lampang Cancer Hospital, Lampang, Thailand
St. Petersburg State Budgetary Health Organization, City Clinical Oncology Dispensary, St Petersburg, Russian Federation
Ubon Ratchanthani Cancer Hospital, Ubon Ratchathani, Thailand
National Liver Institute, Menoufia University, Cairo, Egypt
Udon Thani Cancer Hospital, Udon Thani, Udon Thani Province, Thailand
Lampang Cancer Center, Lampang, Thailand
Siriraj Hospital, Mahidol University, Bangkok, Thailand
Russian Oncological Research Centre n.a. N.N. Blokhin, Russian Academy of Medical Science (RAMS), Moscow, Russian Federation
Leningrad Regional Oncological Centre, St. Petersburg, Russian Federation
Udon Thani Cancer Hospital, Udon Thani, Thailand
Lampang Cancer Center, Lampang, Thailand
Oncology Unit. Sheba Medical Centre, Ramat-Gan, Israel