1. a Department of Civil Engineering and Hydrotech Research Institute , National Taiwan University , Taiwan
2. b Department of Civil and Environmental Engineering , Université catholique de Louvain and Fonds pour la Recherche dans l'Industrie et l'Agriculture , Belgium
3. c Department of Civil and Environmental Engineering , Université catholique de Louvain , Belgium
4. d Geological Survey of Canada , Natural Resources Canada , Canada
5. e INRS-ETE (previously called INRS-Eau), University of Québec , Québec , Canada