Gene Variants in the Novel Type 2 Diabetes Loci CDC123/CAMK1D, THADA, ADAMTS9, BCL11A, and MTNR1B Affect Different Aspects of Pancreatic β-Cell FunctionDiabetes January 2010 59:293-301; published ahead of print October 15, 2009, doi:10.2337/db09-1048