1. Assistant Professor, Department of Paediatric Cardiology, S:t Goran Hospital.
2. Associate Professor, Department of Physiology and Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden.
3. Chairman, Department of Paediatric Cardiology, S:t Goran Hospital.
4. Associate Professor, Department of Thoracic Surgery, Karolinska Hospital, Stockholm, Sweden.
5. Visiting Associate Professor, Department of Paediatric Anaesthesia and Intensive Care, Sit Göran Hospital.