About the Authors

Jae Ha Gwak

Affiliation Department of Information and Industrial Engineering, Yonsei University, 134 Shinchon-dong, Seoul, Republic of Korea

So Young Sohn

sohns@yonsei.ac.kr

Affiliation Department of Information and Industrial Engineering, Yonsei University, 134 Shinchon-dong, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: SYS JHG. Data curation: JHG. Formal analysis: SYS JHG. Funding acquisition: SYS. Investigation: JHG. Methodology: SYS JHG. Project administration: SYS. Resources: SYS. Software: JHG. Supervision: SYS. Validation: SYS. Visualization: JHG. Writing – original draft: SYS JHG. Writing – review & editing: SYS.