About the Authors

Jae-Kwan Kim

‡ These authors contributed equally to this work.

Affiliation Voronoi Diagram Research Center, Hanyang University, Seoul, Korea

Chung-In Won

‡ These authors contributed equally to this work.

Affiliation Voronoi Diagram Research Center, Hanyang University, Seoul, Korea

Jehyun Cha

Affiliation School of Mechanical Engineering, Hanyang University, Seoul, Korea

Kichun Lee

Affiliation Department of Industrial Engineering, Hanyang University, Seoul, Korea

Deok-Soo Kim

dskim@hanyang.ac.kr

Affiliations Voronoi Diagram Research Center, Hanyang University, Seoul, Korea, School of Mechanical Engineering, Hanyang University, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: J-KK C-IW D-SK. Performed the experiments: J-KK C-IW JC. Analyzed the data: J-KK C-IW JC KL. Wrote the paper: D-SK.