title: Publisher's Note: "Electron density profile measurements from hydrogen line intensity ratio method in Versatile Experiment Spherical Torus" [Rev. Sci. Instrum. 87, 11E540 (2016)].
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: YooSung
authors.initials: Y
authors.lastname: Kim
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Yue-Jiang
authors.initials: YJ
authors.lastname: Shi
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Jeong-Hun
authors.initials: JH
authors.lastname: Yang
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: SeongCheol
authors.initials: S
authors.lastname: Kim
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Young-Gi
authors.initials: YG
authors.lastname: Kim
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Jeong-Jeung
authors.initials: JJ
authors.lastname: Dang
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Seongmoo
authors.initials: S
authors.lastname: Yang
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Jungmin
authors.initials: J
authors.lastname: Jo
authors.affiliation: Division of Energy Systems Research, Ajou University, Suwon 442-749, South Korea.
authors.forename: Soo-Ghee
authors.initials: SG
authors.lastname: Oh
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Kyoung-Jae
authors.initials: KJ
authors.lastname: Chung
authors.affiliation: Department of Nuclear Engineering, Seoul National University, Seoul 151-744, South Korea.
authors.forename: Y S
authors.initials: YS
authors.lastname: Hwang