Introduction to chapter I: Biomechanics / Gijsbertus J. Verkerke, Pascal Verdonck and T. Clive Lee -- Introduction to chapter II: Bioelectronics / Richard B. Reilly and T. Clive Lee -- Introduction to chapter III: Medical informatics for biomedical engineering / Paul McCullagh and T. Clive Lee -- Introduction to chapter IV: Biomaterials and tissue engineering / Fergal J. O'Brien and Brian O'Connell -- Introduction to chapter V: Medical imaging / Peter Niederer and T. Clive Lee -- Introduction to chapter VI: Rehabilitation engineering / Tadej Bajd and T. Clive Lee.