[1] Chiang Mai Univ, Northern Thai Res Ctr Radiat Oncol, Fac Med, Chiang Mai, Thailand
[2] Chiang Mai Univ, Div Radiat Oncol, Dept Radiol, Fac Med, Chiang Mai, Thailand
[3] Naresuan Univ, Fac Pharmaceut Sci, Ctr Pharmaceut Outcomes Res, Dept Pharm Practice, Phitsanulok, Thailand