Authors: Robert Pickard; Kathryn Starr; Graeme MacLennan; Thomas Lam; Ruth Thomas; Jennifer Burr; Gladys McPherson; Alison McDonald; Kenneth Anson; James N'Dow; Neil Burgess; Terry Clark; Mary Kilonzo; Katie Gillies; Kirsty Shearer; Charles Boachie; Sarah Cameron; John Norrie; Samuel McClinton Journal: Lancet Date: 2015-05-18 Impact factor: 79.321