Observational Study of NovoPen Echo® on Safety and Treatment Satisfaction in Children and Adolescents With Type 1 Diabetes

Inclusion Criteria: * Children/adolescents with type 1 diabetes mellitus * After the participating physician's decision has been made to initiate treatment with NovoPen Echo®, any patient who meets all the inclusion criteria and does not meet any of the exclusion criteria, is eligible to participate * Use of insulin pen or syringes for at least 12 months Exclusion Criteria: * Insulin pump or Insuflon® users * Any disease or condition in children/adolescents which might interfere with the study at the individual physician's discretion