Nurses also go abroad for advanced specialist training. Nurses run their own clinics for a wide range conditions, including diabetic complications (such as foot ulcers), anticoagulation and cardiac rehabilitation. Such well-developed advanced nursing roles are unusual even in OECD health systems, and offers an example of good practice for other health systems to consider. Health system financing is discussed in detail in Section 3, but a steady upward drift in out-of-pocket spending is worth noting during this discussion on accessibility.