1. Institut de Chimie de Clermont‐FerrandUniversité Clermont AuvergneCNRSSIGMA Clermont F‐63000 Clermont‐Ferrand France
2. Institut PascalUniversité Clermont AuvergneCNRSSIGMA Clermont F‐63000 Clermont‐Ferrand France
3. IHE Delft Institute for Water Education Westvest 7, 2611 AX Delft PO Box 3015 2601 DA Delft The Netherlands