Diabetes Mellitus, Type 1

• Lexicon Investigational Site — Aurora, Colorado, United States
• Lexicon Investigational Site — Atlanta, Georgia, United States
• Lexicon Investigational Site — Baton Rouge, Louisiana, United States
• Lexicon Investigational Site — Omaha, Nebraska, United States

• University of Ljubljana, Faculty of Medicine — Ljubljana, Slovenia

• University of California-San Francisco — San Francisco, California, United States
• Barbara Davis Center — Aurora, Colorado, United States
• Emory University — Atlanta, Georgia, United States
• Indiana University — Indianapolis, Indiana, United States

• University of Alabama at Birmingham — Birmingham, Alabama, United States

• Centro di Diabetologia Pediatrica "G.Stoppoloni" — Naples, Italy

• Uniwersytecki Szpital Kliniczny w Białymstoku — Bialystok, Poland
• NZOZ Specjalistyczny Ośrodek Internistyczno-Diabetologiczny — Bialystok, Poland
• Szpital Wojewódzki w Bielsku Białej — Bielsko-Biala, Poland
• Szpital Uniwersytecki nr 2 im. dr Jana Biziela w Bydgoszczy — Bydgoszcz, Poland

Not specified

• Nzoz Magmed — Lodz, Poland

• University of Minnesota — Minneapolis, Minnesota, United States

• University of Minnesota Department of Medicine, Division of Diabetes, Endocrinology and Metabolism — Minneapolis, Minnesota, United States