About the Authors

Sameer Kumar

sameer@um.edu.my

Affiliation Asia-Europe Institute, University of Malaya, Kuala Lumpur, 50603, Malaysia

Kuru Ratnavelu

Affiliation Institute of Mathematical Studies, Faculty of Science, University of Malaya, Kuala Lumpur, 50603, Malaysia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SK KR. Performed the experiments: SK. Analyzed the data: SK. Contributed reagents/materials/analysis tools: SK. Wrote the paper: SK KR.