About the Authors

Jin-Kyung Hong

Affiliation Institute of Environmental Sciences and Department of Environmental Sciences, Hankuk University of Foreign Studies, Yong-In, Korea

Jae-Chang Cho

chojc@hufs.ac.kr

Affiliation Institute of Environmental Sciences and Department of Environmental Sciences, Hankuk University of Foreign Studies, Yong-In, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JKH JCC. Performed the experiments: JKH. Analyzed the data: JKH JCC. Contributed reagents/materials/analysis tools: JKH JCC. Wrote the paper: JKH JCC.