These materials were developed by members of the TEDDY Study Group, a collaborative clinical study sponsored by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institute of Allergy and Infectious Diseases (NIAID), National Institute of Child Health and Human Development (NICHD), National Institute of Environmental Health Sciences (NIEHS), Centers for Disease Control and Prevention (CDC), and Breakthrough T1D (formerly JDRF). The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH, CDC, or Breakthrough T1D.