Diabetic Nephropathies

• The Catholic university of Korea, Bucheon St. Mary's Hospital — Bucheon-si, South Korea
• Kyungpook National University — Daegu, South Korea
• Yeungnam University Medical Center — Daegu, South Korea
• Gil Hospital — Incheon, South Korea

Not specified

• Sanwa Kagaku Kenkyusho Co., Ltd. — Nagoya, Aichi-ken, Japan

• Birmingham, Alabama, United States
• Little Rock, Arkansas, United States
• La Mesa, California, United States
• Riverside, California, United States

• Investigational site — Hokkaido, Japan

• Novartis Pharmaceuticals — Basel, Switzerland

• DongWha Pharm — Seoul, South Korea

• La Jolla, California, United States
• Walnut Creek, California, United States
• Jacksonville, Florida, United States
• Atlanta, Georgia, United States

• Tehran University of Medical Sciences — Tehran, Iran

• Zhichengli — Chengdu, Sichuan, China