Authors: Ambady Ramachandran, Chamukuttan Snehalatha, Ram Jagannathan, Sundaram Selvam, Mary Simon, Arun Nanditha, Ananth Samith Shetty, Ian F. Godsland, Nish Chaturvedi, Azeem Majeed, Nick Oliver, C. Toumazou, K. G. M. M. Alberti, Desmond G. Johnston - The Lancet 2013 cited by 346