Acknowledgments

In the illustration of the top page, a transporter model was kindly gifted by Dr. Hideaki Umeyama, School of Pharmacy, Kitasato University, and SNPs analysis data was by Dr. Ichiro Ieiri, Graduate School of Pharmaceutical Sciences, Kyushu University. They have been combined with the materials that the members of the Homepage Committee supplied.  We thank Drs. Umeyama and Ieiri very much for their cooperation.