1. Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 4-3-11 Takeda, 400-8511 Kofu, Japan
2. Center of Research for Environment Energy and Water (CREEW), KMC-4, House No. 259, Chandramukhi Galli, Baluwatar, G.P.O. Box 25563, Kathmandu, Nepal
3. International Research Centre for River Basin Environment, University of Yamanashi, 4-3-11 Takeda, 400-8511 Kofu, Japan