Robert Carachi, MD, PhD, FRCS (Glas), FRCS (Eng), FEBPS, has been an Honorary Consultant Paediatric and Neonatal Surgeon at the Royal Hospital for Sick Children NHS Trust, Glasgow, UK since 1987. He was appointed Head of Surgical Paediatrics in 1999 and became Professor of Surgical Paediatrics at the University of Glasgow in 2004. Dr. Carachi is Chairman of the Examination ... Read moreBoard of the European Board of Paediatric Surgery, UEMS; Editor in Chief of the Scottish Medical Journal; and Director of the Scottish Spina Bifida Association. He has been on the editorial board of the European Journal of Paediatric Surgery since 1996 (with responsibility for the UK) and is an Editorial Consultant to the Journal of Pediatric Surgery. Dr. Carachi has extensive clinical, teaching, and research experience. He has co-edited a number of previous books, including the Springer books Operative Techniques in Paediatric Surgery and The Surgery of Childhood Tumours, and is the author of 157 other publications.Sameh Helmi Edward Doss, MB,CH, MSc, PhD, is Professor of Anatomy and Embryology in the Faculty of Medicine, Cairo University, Egypt and also Professor of Anatomy and Embryology at the British University in Egypt (BUE). Dr. Doss graduated from the Faculty of Medicine, Cairo University, in 1976 and went on to gain his doctorate from the university in 1987 for a thesis on the anatomical and histological study of the pericardium in normal and pathological conditions. He was appointed to his present position in 2000. Dr. Doss is a member of the Egyptian Scientific Committee for Promotion of Professors and Assistant Professors of Anatomy and Embryology. He is the author of original articles in national and international journals and a series of books. Show Less