1. Pharmaceuticals Research Laboratory, UBE Industries, Ltd., 1978-5 Kogushi, Ube, Yamaguchi 755-8633, Japan
2. R&D Division, Santen Pharmaceutical Co., Ltd., Grand Front Osaka Tower A 4-20, Ofukacho, Kita-ku, Osaka 530-8552, Japan
3. R&D Division, Santen Inc., 6401 Hollis Street, Suite 125, Emeryville, California 94608, United States