by 윤선민(Seon Min Youn), 오영기(Young Kee Oh), 김주헌(Joo Heon Kim), 박미자(Mi Ja Park), 성인옥(In Ock Seong), 강기문(Kimun Kang), 채규영(Gyuyong Chai)
Published in Radiation oncology journal (30.03.2005)