1. Faculty of Symbiotic Systems Science, Fukushima University
2. Japan Conservation Engineers & Co., Ltd.
3. National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism
4. Faculty of Life and Environmental Sciences, University of Tsukuba
5. Graduate School of Agriculture, Kyoto University
6. Graduate School of Agriculture, Tokyo University of Agriculture and Technology
7. Civil Engineering Research Institute for Cold Region, Public Works Research Institute
8. Graduate School of Agricultural and Life Sciences, The University of Tokyo