About the Authors

Yongrae Cho

Affiliations Division of Vice President, Science and Technology Policy Institute (STEPI), Seoul, Republic of Korea, Graduate School of Technology and Innovation Management, Hanyang University, Seoul, Republic of Korea

Minsung Kim

ferrari@kaist.ac.kr

Affiliation Graduate School of Innovation and Technology Management, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MK. Performed the experiments: YC. Analyzed the data: YC. Contributed reagents/materials/analysis tools: YC MK. Wrote the paper: YC MK. Collected data: YC. Developed the indexes: MK.