1. Institute of Genetics, Forschungszentrum Karlsruhe Karlsruhe Germany
2. The Institute for Genomic Research Rockville MD USA
3. Center for Molecular Medicine and Genetics and Department of Biochemistry and Molecular Biology, Wayne State University School of Medicine Detroit MI USA
4. Department of Molecular Virology and Microbiology, Baylor College of Medicine Houston TX USA
5. Institute for Advanced Biosciences, Keio University Tsuruoka City Yamagata Japan
6. Graduate School of Biological Sciences, Nara Institute of Science and Technology Ikoma Nara Japan