1. Rural Research Institute; Korea Rural Community Corporation; Gyeonggi Republic of Korea
2. National Drought Mitigation Center, School of Natural Resources; University of Nebraska-Lincoln; Lincoln NE USA
3. Department of Civil Environmental System Engineering; Konkuk University; Seoul Republic of Korea
4. Department of Rural Systems Engineering and Research Institute for Agriculture and Life Science; Seoul National University; Seoul Republic of Korea
5. Suri Engineering and Consulting Corporation; Buchun Republic of Korea