Mohammad UsmanAhmad, Kamal AliSharif, HaisumQayyum, BushraEhsanullah, SvetlanaBalyasnikova, AnitaWale, ArunShanmuganandan, Muhammed Rafay SameemSiddiqui, ThanosAthanasiou, Graham JohnKemp
Postgraduate Medical Journal Nov 2017, 93 (1105) 671-678; DOI: 10.1136/postgradmedj-2017-134945