1. Department of Evolutionary Biology and Environmental Studies; University of Zurich; Winterthurerstrasse 190 Zurich CH-8057 Switzerland
2. Advanced Science Research Center; Kanazawa University; 13-1 Takara-machi Kanazawa 920-0934 Japan
3. Biotechnology Research Institute for Drug Discovery; National Institute of Advanced Industrial Science and Technology (AIST); 2-4-7 Aomi Koto-ku Tokyo 135-0064 Japan
4. Kihara Institute for Biological Research; Yokohama City University; 642-12 Maioka Totsuka-ward Yokohama 244-0813 Japan