We invite the contribution of trials that meet the following criteria:

• Minimum dataset of 30 patients (clinical trial) or 100 patients (academic registry)
• Patients aged 18 years old or older, with a diagnosis of Type 1 Diabetes, Type 2 Diabetes, or Impaired Glucose Tolerance (IGT) according to the World Health Organisation or documented acute hyperglycaemia episode
• Documented selection criteria
• Documented consent or waiver of consent following local institutional review board- approved procedure
• Baseline assessment including cardiovascular risk factors and a comparable quality of assessment
• Outcome(s) assessed using one or more recognised measure(s)
• Monitoring procedures existed to validate the data