1. National Leading Research Laboratory (Aerosol Technology and Monitoring Laboratory), School of Environmental Science and Engineering, Gwangju Institute of Science and Technology (GIST), Buk-gu, Gwangju, Republic of Korea;
2. Department of Environmental Engineering, Anyang University, Anyang, Manan-gu, Anyang-si, Gyeonggi-do, Republic of Korea;
3. Department of Environmental Engineering, Chosun University, Dong-gu, Gwangju, Republic of Korea