Funding for this research was provided by:
Research Grants Council, University Grants Committee (12201315)
Research Grants Council, University Grants Committee (12232716)
Research Grants Council, University Grants Committee (12244916)
Research Grants Council, University Grants Committee (12200114)
Ministry of Education - Singapore (MOE AcRF Tier-1 Grant RG24/12)
Ministry of Education - Singapore (MOE AcRF Tier-2 Grant 2015-T2-1-040)