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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Massimiliano Cannata conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Yann Chemin conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Milan Petar Antonovic performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, performed the computation work.

Lahiru Wijesinghe performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, performed the computation work.

Vivien Deparday performed the experiments, analyzed the data.

Data Deposition

The following information was supplied regarding data availability:

The research in this article did not generate, collect or analyse any raw data or code.

Funding

The Challenge Fund - GFDRR in Sri Lanka has been partially by the Challenge Fund initiated by the World Bank - Global Facility for Disaster Risk Reduction. 4ONSE has been funded within the Swiss Programme for Research on Global Issues for Development (r4d programme, grant IZ07Z0_160906 / 1) that is a joint funding initiative by the Swiss Agency for Development and Cooperation (SDC) and the Swiss National Science Foundation (SNSF). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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