[1] Univ Gadjah Mada, Dr Sardjito Hosp, Fac Med Publ Hlth & Nursing, Dept Internal Med,Div Hematol & Med Oncol, Yogyakarta, Indonesia
[2] Univ Gadjah Mada, Dept Ear Nose & Throat, Fac Med Publ Hlth & Nursing, Dr Sardjito Hosp, Yogyakarta, Indonesia
[3] Univ Gadjah Mada, Dr Sardjito Hosp, Fac Med Publ Hlth & Nursing, Dept Pathol, Yogyakarta, Indonesia
[4] Univ Gadjah Mada, Dr Sardjito Hosp, Fac Med Publ Hlth & Nursing, Div Radiodiag,Dept Radiol, Yogyakarta, Indonesia
[5] Univ Gadjah Mada, Dr Sardjito Hosp, Fac Med Publ Hlth & Nursing, Div Radiotherapy,Dept Radiol, Yogyakarta, Indonesia
[6] Dr Sardjito Hosp, Tulip Canc Clin, Yogyakarta, Indonesia
[7] Gadjah Mada Univ, Fac Med Publ Hlth & Nursing, Jl Kesehatan 1, Yogyakarta 55281, Indonesia