Authors: Sarah L White; Richard Hirth; Beatriz Mahíllo; Beatriz Domínguez-Gil; Francis L Delmonico; Luc Noel; Jeremy Chapman; Rafael Matesanz; Mar Carmona; Marina Alvarez; Jose R Núñez; Alan Leichtman Journal: Bull World Health Organ Date: 2014-08-22 Impact factor: 9.408