title: Erratum.
authors.affiliation: a Department of Environmental Energy Systems Engineering , Graduate School of Kyonggi University , Iui-dong, Yeongtong-gu , Suwon-si , Gyeonggi-do , Republic of Korea.
authors.forename: Hyun Jin
authors.initials: HJ
authors.lastname: Choi
authors.affiliation: a Department of Environmental Energy Systems Engineering , Graduate School of Kyonggi University , Iui-dong, Yeongtong-gu , Suwon-si , Gyeonggi-do , Republic of Korea.
authors.forename: Sung Su
authors.initials: SS
authors.lastname: Kim
authors.affiliation: a Department of Environmental Energy Systems Engineering , Graduate School of Kyonggi University , Iui-dong, Yeongtong-gu , Suwon-si , Gyeonggi-do , Republic of Korea.
authors.forename: Sung Chang
authors.initials: SC
authors.lastname: Hong