A Common Genetic Variant Is Associated with Adult and Childhood Obesity Alan Herbert1,*, Norman P. Gerry1, Matthew B. McQueen2, Iris M. Heid3,4, Arne Pfeufer5,6, Thomas Illig3,4, H.-Erich Wichmann3,4,7, Thomas Meitinger5,6, David Hunter2,8,9, Frank B. Hu2,8,9, Graham Colditz8,9, Anke Hinney10, Johannes Hebebrand10, Kerstin Koberwitz6,10, Xiaofeng Zhu11, Richard Cooper11, Kristin Ardlie12, Helen Ly