Shona J. Livingstone, Daniel Levin, Helen C. Looker et al for the Scottish Diabetes Research Network epidemiology group and the Scottish Renal Registry JAMA 2015;313(1):37-44 http://jama.jamanetwork.com/article.aspx?articleid=2088852
Hongyu Wu, Alan J. Flint, Qibin Qi et al. JAMA Intern Med. Published online January 05, 2015 http://archinte.jamanetwork.com/article.aspx?articleid=2087877
Radhika Avadhani, Kristen Fowler, Corinne Barbato et al. The American J of Medicine 2015;128(1):46-55 http://www.amjmed.com/article/S0002-9343(14)00791-8/abstract
Annick V. Hartstra, Kristien E.C. Bouter, Fredrik Bäckhed and Max Nieuwdorp Diabetes Care 2015;38(1):159-65 http://care.diabetesjournals.org/content/38/1/159?etoc