About the Authors

Pei-Sze Jeslyn Wong

Affiliation Environmental Health Institute, National Environment Agency, Singapore, Singapore

Mei-zhi Irene Li

Affiliation Environmental Health Institute, National Environment Agency, Singapore, Singapore

Chee-Seng Chong

Affiliation Environmental Health Institute, National Environment Agency, Singapore, Singapore

Lee-Ching Ng

Affiliations Environmental Health Institute, National Environment Agency, Singapore, Singapore, School of Biological Sciences, Nanyang Technological University, Singapore, Singapore

Cheong-Huat Tan

tan_cheong_huat@nea.gov.sg

Affiliation Environmental Health Institute, National Environment Agency, Singapore, Singapore

Competing Interests

The authors have declared that no competing interest exist.

Author Contributions

Conceived and designed the experiments: CHT LCN. Performed the experiments: CHT PSJW MZIL CSC. Analyzed the data: CHT PSJW MZIL CSC. Contributed reagents/materials/analysis tools: CHT PSJW MZIL CSC. Wrote the paper: CHT PSJW.