Ammarin Thakkinstian, Mark McEvoy, Usha Chakravarthy, Subhabrata Chakrabarti, Gareth J. McKay, Euijung Ryu, Giuliana Silvestri, Inderjeet Kaur, Peter Francis, Takeshi Iwata, Masakazu Akahori, Astrid Arning, Albert O. Edwards, Johanna M. Seddon, John Attia
Am J Epidemiol. 2012 Sep 1; 176(5): 361–372. Published online 2012 Aug 5. doi: 10.1093/aje/kws031