Feasibility of optimal vertex size and spacing for lattice radiotherapy implementation using helical tomotherapy - Seol, Yunji; Lee, Young Kyu; Kim, Byeong Jin; Choi, Kyu Hye; Hong, Ji Hyun; Park, Chan-beom; Kim, Sun Hwa; Park, Hyeong Wook; Kim, Jung-Il; Cheon, Wonjoong; Kang, Young-nam; Choi, Byung Ock (Frontiers in Oncology, 2025)