Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, University of Oxford - Wellcome Trust Centre for Human Genetics, Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, Monash University, Government of the United States of America - National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Government of the United States of America - National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, Diabetes Epidemiology and Clinical Research Section, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), University of Oxford - Wellcome Trust Centre for Human Genetics and Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch