Smith Kirk R, Woodward Alistair, Lemke Bruno, Otto Matthias, Chang Cindy J, Mance Anna A, Balmes John, Kjellstrom Tord
School of Public Health, University of California, Berkeley, CA, USA.
School of Population Health, University of Auckland, Auckland, New Zealand.
Lancet. 2016 Aug 13;388(10045):642-4. doi: 10.1016/S0140-6736(16)31335-6.