Pere Domingo and Francesc Villarroya Pages 3337 - 3338 ( 2 )
, Department of Medicine, Hospital de la Santa Creu I Sant Pau, Barcelona, and Red de Investigacion en SIDA, Instituto de Salud Carlos III, Spain. Department of Biochemistry and Molecular Biology, Institute of Biomedicine of the University of Barcelona (IBUB), CIBER Fisiopatología de la Obesidad y Nutricion; Instituto de Salud Carlos III, Spain.