1. Department of Evolutionary Studies of Biosystems; School of Advanced Sciences; SOKENDAI (The Graduate University for Advanced Studies); Hayama Japan
2. Department of Biology; School of Biological Sciences; Tokai Univerrsity; Sapporo Japan
3. Department of Life Science; Graduate School of Engineering Science; Akita University; Akita Japan
4. Faculty of Agriculture and Life Science; Hirosaki University; Hirosaki Japan
5. Division of Avian Conservation; Yamashina Institute for Ornithology; Abiko City Japan
6. Wildlife Conservation Center; Department of Life Sciences; Toho University; Chiba Japan
7. Department of International and Regional Studies; Faculty of Education; Hokkaido University of Education; Hakodate Japan
8. Rikkyo University; Saitama Japan