1. 1) Present address: Department of Agricultural and Environmental Biology, University of Tokyo Graduate School of Agricultural and Life Sciences; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
2. 2) Present address: International Center for Medical Research and Treatment, Kobe University Graduate School of Medicine; 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan.
3. Nuclear Receptors and Lipid Physiology: Opening the X-Files