1. Department of Building and Environmental Technology, Norwegian University of Life Sciences, NorwayE-mail: harsha.ratnaweera@nmbu.no
2. Center for International Health, University of Bergen, Bergen, NorwayE-mail:Tore.Satersdal@uib.no
3. Department of Civil of Engineering, University of Peradeniya, Peradeniya, Sri LankaE-mail: sbweera@pdn.ac.lk
4. Department of Meteorology, University of Nairobi, Nairobi, KenyaE-mail: fmutua@uonbi.ac.ke