Jang, T. S.
Article History
Received: 2 March 2017
Revised: 6 November 2017
Accepted: 7 November 2017
First Online: 22 November 2017
Change Date: 18 November 2019
Change Type: Correction
Change Date: 18 November 2019
Change Type: Correction
Change Details: The author would like to correct an error in calculation of the Eq. (A.2.8) in Appendix A.2 of the original article. The correct equation is as follows:
Change Details: The author would like to correct an error in calculation of the Eq. (A.2.8) in Appendix A.2 of the original article. The correct equation is as follows: