1. Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
2. Department of Chemistry, College of Natural and Computational Sciences, Arba Minch University, Arbaminch, Ethiopia
3. Institute of Environmental Engineering, National Yang Ming Chiao Tung University, Hsinchu City, Taiwan
4. Institute of Labor, Occupational Safety and Health, Ministry of Labor, New Taipei City, Taiwan