1. Graduate Institute of Basic Medical Science, China Medical University, Taichung 40402, Taiwan
2. Laboratory of Comparative Neuroimmunology, Department of Neurobiology, David Geffen School of Medicine at UCLA, University of California, Los Angeles, Los Angeles, CA 90095-1763, USA
3. Division of Vermibiotechnology, Department of Zoology, Annamalai University, Annamalai Nagar-608002, India
4. Graduate Institute of Basic Medical Science and Graduate Institute of Chinese Medical Science, College of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
5. Department of Biology and Department of Sociology, University of California, Los Angeles, Los Angeles, CA 90024, USA
6. Department of Linguistics, University of California, Los Angeles, Los Angeles, CA 90024, USA
7. Department of Biology, University of Bari, Via Orabona 4, 70125 Bari, Italy
8. Department of Biology, University of Padua, Via U. Bassi, 58/b, 35121-Padua, Italy