1. Graduate Degree Program in Ecology and Biology Dept, Colorado State Univ. Fort Collins CO USA
2. U.S. Geological Survey, Pacific Island Ecosystems Research Center Hawaii USA
3. Biology Dept, Colorado State Univ. Fort Collins CO USA
4. Smithsonian Conservation Biology Inst., Migratory Bird Center, National Zoological Park Washington DC USA
5. Research Center for Endangered Species, National Inst. of Ecology Yeongyang South Korea