EDITORIAL BOARD Editor Emeritus Chris G Uragoda MD, FRCP Colvin Goonaratna FRCP, PhD Editors Janaka de Silva DPhil, FRCP Anuruddha Abeygunasekera MS, FRCS Assistant Editors Dennis Aloysius MBBS, FCGP D N Atukorala MD, FRCP Sarath Gamini de Silva MD, FRCP Dulani Gunasekara MD, MRCP A Pathmeswaran MD, MSc Lalini Rajapakse MD, MSc Channa Ranasinha MRCP, DTM & H Udaya Ranawaka MD, MRCP Kolitha Sellahewa MD, FCCP Harshalal R Seneviratne DM, FRCOG Shalini Sri Ranganathan MD, PhD International Advisory Board Kamran Abbasi MBChB, MRCP London, UK Peush Sahni MS, PhD New Delhi, India R K Tandon MD, PhD New Delhi, India Zulfiqar Ahmed Bhutta FRCPCH, PhD Karachi, Pakistan Samiran Nundy FRCS, FRCP New Delhi, India N Medappa MD New Delhi, India Jane Smith BA, MSc London, UK Anita KM Zaidi MMBS, SM Karachi, Pakistan David Warrell MD, FRCP Oxford, UK Advisory Board for Statistics and Epidemiology A Pathmeswaran MD, MSc Lalini Rajapakse MD, MSc Kumudu Wijewardene MBBS, MD