Näslund Ulf, Ng Nawi, Wennberg Patrik, Norberg Margareta
Department of Public Health and Clinical Medicine, Umeå University, S-901 87 Umeå, Sweden.
Department of Epidemiology and Global health, Umeå University, S-901 87 Umeå, Sweden.
Lancet. 2019 Aug 24;394(10199):e27. doi: 10.1016/S0140-6736(19)31335-2.