Department of Emergency Medicine;
Vanderbilt University School of Medicine;
Nashville;
USA;
Department of Biostatistics;
Vanderbilt University School of Medicine;
Nashville;
USA;
Department of Pediatrics;
Division of Endocrinology and Diabetes;
Vanderbilt University School of Medicine;
Nashville;
USA;
Vitamin; D; Deficiency; Vitamin; D; Insufficiency; 25-Hydroxyvitamin; D; Diabetes; Mellitus; Type; 1; Pediatric;