About the Authors

Lin Cai

Affiliation Environmental Biotechnology Laboratory, Department of Civil Engineering, The University of Hong Kong, Hong Kong SAR, China

Lin Ye

Affiliation Environmental Biotechnology Laboratory, Department of Civil Engineering, The University of Hong Kong, Hong Kong SAR, China

Amy Hin Yan Tong

Affiliation Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China

Si Lok

Affiliation Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China

Tong Zhang

zhangt@hku.hk

Affiliation Environmental Biotechnology Laboratory, Department of Civil Engineering, The University of Hong Kong, Hong Kong SAR, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LC LY AHYT SL TZ. Performed the experiments: LC AHYT. Analyzed the data: LC TZ. Contributed reagents/materials/analysis tools: LC LY TZ. Wrote the paper: LC TZ.