1. Department of Materials Chemistry, National Institute of Technology (KOSEN), Asahikawa College, Asahikawa, Hokkaido, Japan
2. Medical Mycology Research Center, Chiba University, Chiba, Japan
3. Département de Biologie & Centre for Northern Studies (CEN), Université Laval, Quebec, Canada
4. National Institute of Polar Research (NIPR), Tachikawa, Tokyo, Japan
5. Department of Polar Science, The Graduate University for Advanced Studies, Tachikawa, Tokyo, Japan