1. School of Environmental Health, Institute of Public Health, Suranaree University of Technology, Nakhon Ratchasima, Thailand
2. Centre for Ecosystem Management, School of Science, Edith Cowan University, Joondalup, Australia
3. Research Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
4. School of Environmental Sciences, University of East Anglia, Norwich Research Park, Norfolk, UK