Praful Ravi Author & Editor

Eamon Shamil MBBS MRes MRCS DOHNS Specialist Registrar in ENT - Head & Neck Surgery, Guy's and St Thomas' NHS Foundation Trust, London, UK Praful Ravi MA MB BChir MRCP Resident in Internal Medicine, Mayo Clinic, Rochester, MN, USA Dipak Mistry MBBS BSc DTM&H FRCEM Consultant in Emergency Medicine, University College London Hospital NHS Foundation Trust, London, UK