About the Authors

Phing Chian Chai

Affiliations Temasek Life Sciences Laboratory, National University of Singapore, Singapore, Department of Biological Sciences, National University of Singapore, Singapore

Zhong Liu

Affiliation Temasek Life Sciences Laboratory, National University of Singapore, Singapore

William Chia

wjechia@tiscali.co.uk (WC); caiyu@tll.org.sg (YC)

Affiliations Temasek Life Sciences Laboratory, National University of Singapore, Singapore, Department of Biological Sciences, National University of Singapore, Singapore

Yu Cai

wjechia@tiscali.co.uk (WC); caiyu@tll.org.sg (YC)

Affiliations Temasek Life Sciences Laboratory, National University of Singapore, Singapore, Department of Biological Sciences, National University of Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: PCC WC YC. Performed the experiments: PCC ZL. Analyzed the data: PCC WC YC. Contributed reagents/materials/analysis tools: PCC ZL WC YC. Wrote the paper: PCC WC YC.