Type 2 Diabetes

• The Chinese People's Liberation Army General Hospital — Beijing, Beijing Municipality, China
• Beijing Chaoyang Hospital Affiliated to Capital Medical University — Beijing, China
• Peking University Shougang Hospital — Beijing, China
• Cangzhou Central Hospital — Cangzhou, China

• Beijing Hospital — Beijing, Beijing Municipality, China

• Massacusetts General Hospital — Boston, Massachusetts, United States

• Al-Azhar university — Cairo, Cairo Governorate, Egypt

• Yeouido St. Mary's Hospital The Catholic University — Seoul, South Korea

• Washington University School of Medicine — St Louis, Missouri, United States

• University of Pisa — Pisa, Italy

• Winston-Salem State University — Winston-Salem, North Carolina, United States

• The Affiliated Hospital of Qingdao University Phase I Clinical Research Center — Qingdao, Shandong, China

Not specified