Credits: Dr Jiun Tuan, MBChB, MRCP; Dr Mohamed Jeilan, MBChB, MRCP; Dr Faizel Osman, MBChB,
MD, MRCP; Dr Suman Kundu, MBChB, MRCP; Dr Rajkumar Mantravadi, MBBS, PhD
MRCP; Dr Peter J Stafford, MBChB, MD, FRCP; Dr G André Ng, MBChB, PhD, FRCP(Glasg),
FRCP(London)