1. Bioinformatics Institute (BII); Agency for Science, Technology and Research (a*STAR); Singapore 138671
2. Department of Biological Sciences (DBS); National University of Singapore (NUS); Singapore 117579
3. RIKEN Center for Sustainable Resource Science (CSRS); Yokohama Kanagawa 230-0045 Japan
4. Research Center for Environmental Genomics; Kobe University; Kobe Japan