1. Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; Hongo Tokyo 113-0033 Japan
2. Department of Integrated Biosciences; Graduate School of Frontier Sciences, The University of Tokyo; Japan
3. Faculty of Urban Liberal Arts; Tokyo Metropolitan University; Tokyo Japan
4. Faculty of International Resource Sciences; Akita University; Akita Japan
5. Faculty of Letters; Chiba University; Chiba Japan
6. Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
7. Faculty of Nursing; The Japanese Red Cross Akita College of Nursing; Akita Japan
8. Papua New Guinea Institute of Medical Research; Goroka Papua New Guinea
9. The University Museum, The University of Tokyo; Japan