title: Direct aperture optimization based on genetic algorithm and conjugate gradient in intensity modulated radiation therapy.
authors.affiliation: Key Laboratory of Neutronics and Radiation safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China; Engineering Technology Research Center of Accurate Radiotherapy of Anhui Province, Hefei, Anhui 230031, China. Email: ruifen.cao@fds.odrg.cn.
authors.forename: Ruifen
authors.initials: R
authors.lastname: Cao
authors.affiliation: Key Laboratory of Neutronics and Radiation safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China; Engineering Technology Research Center of Accurate Radiotherapy of Anhui Province, Hefei, Anhui 230031, China.
authors.forename: Xi
authors.initials: X
authors.lastname: Pei
authors.affiliation: Key Laboratory of Neutronics and Radiation safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China; Engineering Technology Research Center of Accurate Radiotherapy of Anhui Province, Hefei, Anhui 230031, China.
authors.forename: Huaqing
authors.initials: H
authors.lastname: Zheng
authors.affiliation: Key Laboratory of Neutronics and Radiation safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China; Engineering Technology Research Center of Accurate Radiotherapy of Anhui Province, Hefei, Anhui 230031, China.
authors.forename: Liqin
authors.initials: L
authors.lastname: Hu
authors.affiliation: Key Laboratory of Neutronics and Radiation safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China; Engineering Technology Research Center of Accurate Radiotherapy of Anhui Province, Hefei, Anhui 230031, China.
authors.forename: Yican
authors.initials: Y
authors.lastname: Wu
mesh_terms: D000465:Algorithms; D006801:Humans; D050397:Radiotherapy, Intensity-Modulated / Q000379:methods*