A new highly penetrant form of obesity due to deletions on chromosome 16p11.2. by Walters, R, Jacquemont, S, Valsesia, A, de Smith, A, Martinet, D, Andersson, J, Falchi, M, Chen, F, Andrieux, J, Lobbens, S, Delobel, B, Stutzmann, F, El-Sayed Moustafa, J, Chèvre, J, Lecoeur, C, Vatin, V, Bouquillon, S, Buxton, J, Boute, O, Holder-Espinasse, M, Cuisset, J, Lemaitre, M, Ambresin, A, Brioschi, A, Gaillard, M