1. Mitsubishi Kasei Institute of Life Sciences (T.O., S.K., M.T., T.T.) Tokyo,194–8511, Japan
2. Laboratory of Functional Genomics (T.O., Y.S.) Human Genome Center The Institute of Medical Science University of Tokyo Tokyo 108-8639, Japan.
3. Laboratory of Veterinary Physiology (G.W.) Tokyo University of Agriculture and Technology Tokyo 183-8509, Japan