Diabetes Mellitus, Type 2

Not specified

• Seoul National University Hospital — Seoul, South Korea

• Study Site 07 — Wuhan, Hubei, China
• Study Site 06 — Changzhou, Jiangsu, China
• Study Site 08 — Jinan, Shandong, China
• Study Site 04 — Zibo, Shandong, China

• Hakime Aslan — Malatya, Turkey (Türkiye)

• University of California, San Francisco — San Francisco, California, United States
• Kaiser Permanente Center for Health Research — Portland, Oregon, United States
• OCHIN, Inc — Portland, Oregon, United States

• Raffaele Marfella — Naples, Italy

• Site 407 — Escondido, California, United States
• Site 379 — Gardena, California, United States
• Site 378 — Huntington Park, California, United States
• Site 406 — La Jolla, California, United States

• University of Manchester — Manchester, United Kingdom

• Center for Nutrition Research. University of Navarra — Pamplona, Navarre, Spain

• Celestino Sardu — Naples, Italy