"PeerJ Preprints" is a venue for early communication or feedback before peer review. Data may be preliminary.
A newer version of this Preprint is available: View the latest version

Supplemental Information

Figure 1 and 2 of preprint

DOI: 10.7287/peerj.preprints.1406v5/supp-1

Additional Information

Competing Interests

The author declares no competing interests.

Author Contributions

Wenfa Ng conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Yen-Peng Ting analyzed the data.

Data Deposition

The following information was supplied regarding data availability:

Raw data are presented as graphs in the manuscript.


National University of Singapore provided financial support. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Add your feedback

Before adding feedback, consider if it can be asked as a question instead, and if so then use the Question tab. Pointing out typos is fine, but authors are encouraged to accept only substantially helpful feedback.

Some Markdown syntax is allowed: _italic_ **bold** ^superscript^ ~subscript~ %%blockquote%% [link text](link URL)
By posting this you agree to PeerJ's commenting policies
  Visitors   Views   Downloads