1. Department of Civil, Environmental, and Geo-Engineering, University of Minnesota, 500 Pillsbury Drive Southeast, Minneapolis, Minnesota 55455, United States
2. BioTechnology Institute, University of Minnesota, 1479 Gortner Avenue, Saint Paul, Minnesota 55108, United States
3. Department of Civil and Environmental Engineering, Norwegian University of Science and Technology, S.P. Andersens veg 5, Trondheim NO-7491, Norway