1. Biomedical Research Institute, Ninewells Hospital and Medical School, University of Dundee, Dundee DD1 9SY, Scotland, U.K.
2. Metabolic Signalling Group, MRC Clinical Sciences Centre, Imperial College London, London W12 0NN, U.K.
3. Department of Cell and Developmental Biology, University College London, London WC1 6BT, U.K.
4. Cellular Stress Group, MRC Clinical Sciences Centre, Imperial College London, London W12 0NN, U.K.
5. INSERM U567, CNRS, UMR 8104, Institut Cochin, Université Paris Descartes, Paris, France