1. Department of Environment, Land, and Infrastructure Engineering; Politecnico di Torino; Torino Italy
2. National Research Program; U.S. Geological Survey; Reston Virginia USA
3. Department of Industrial Engineering; University of Padua; Padova Italy
4. Department of Civil and Environmental Engineering; Northwestern University; Evanston Illinois USA
5. Division of River Engineering, Institute of Land and Water Resources Engineering; Royal Institute of Technology; Stockholm Sweden