About the Authors

Wonseok Hwang

Affiliation Korea Institute for Advanced Study, Seoul, Republic of Korea

Il-Buem Lee

Affiliation Department of Physics, Korea University, Seoul, Republic of Korea

Seok-Cheol Hong

Affiliations Korea Institute for Advanced Study, Seoul, Republic of Korea, Department of Physics, Korea University, Seoul, Republic of Korea

Changbong Hyeon

hyeoncb@kias.re.kr

Affiliation Korea Institute for Advanced Study, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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