Institution: | (1) MRC Molecular Endocrinology Group, Collier Building, Royal Postgraduate Medical School, Hammersmith Hospital, W12 ONN London, UK;(2) Department for Molecular Microbiology and Center for Genetics in Medicine, Washington University School of Medicine, 63110 St Louis, MO, USA;(3) Metabolic Research Unit, Shriners Hospital for Crippled Children and Washington University School of Medicine, 63178 St Louis, MO, USA |