Mousheng Xu, Kelan G Tantisira*, Ann Wu, Augusto A Litonjua, Jen-hwa Chu, Blanca E Himes, Amy Damask and Scott T Weiss
* Corresponding author: Kelan G Tantisira Kelan.Tantisira@channing.harvard.edu
BMC Medical Genetics 2011, 12:90 doi:10.1186/1471-2350-12-90