Fig. 1.

Theoretical framework for Natural Experiments for Translation in Diabetes 2.0 (NEXT-D2). Levels of analysis by lead academic centers: 1, Northwestern University; 2, Oregon Health & Science University; 3, Harvard Medical School and Harvard Pilgrim Health Care Institute; 4, Pennsylvania State University College of Medicine at Hershey Medical Center; 5, Tulane University; 6, University of California, Berkeley; 7, Icahn School of Medicine at Mt. Sinai; 8, University of California, Los Angeles. (Reprinted from American Journal of Preventive Medicine Volume 48, Ackermann et al., Evaluating Diabetes Health Policies Using Natural Experiments: The Natural Experiments for Translation in Diabetes Study, pp. 747–54, copyright 2015, with permission from Elsevier) [19]