[1] Diponegoro Univ, Dr Kariadi Gen Hosp Semarang, Fac Med, Hematol Med Oncol Div, Semarang, Indonesia
[2] Diponegoro Univ, Dr Kariadi Gen Hosp Semarang, Fac Med, Dept Gen Surg,Div Digest Surg, Semarang, Indonesia
[3] Diponegoro Univ, Dr Kariadi Gen Hosp Semarang, Fac Med, Div Surg Oncol, Semarang, Indonesia
[4] Diponegoro Univ, Dr Kariadi Gen Hosp Semarang, Fac Med, Div Anat Pathol, Semarang, Indonesia
[5] Diponegoro Univ, Dr Kariadi Gen Hosp Semarang, Fac Med, Div Internal Med, Semarang, Indonesia