The theme of this special volume will be "Operations Research for engineering health care delivery". We welcome papers in the broad area of quantitative methods applied to health care. Contributions from health policy decision makers and practitioners are welcome. Topics include but are not limited to: Health care operations planning and scheduling, Logistics and supply chain management, Work-force staffing and planning, Patient flow modelling, Ambulance location and control, Emergency Department Models, Capacity planning and management, Location and transportation planning, Disease modelling and prevention, Risk management and patient safety, Organisational issues, Treatment design and planning, Epidemiology simulation and control, Drug selection and delivery, ...