1. Department of Clinical and Surgical Sciences (Surgery), School of Clinical Sciences and Community Health; University of Edinburgh, Royal Infirmary; 51 Little France Crescent EH16 4SA Edinburgh
2. Muscle Metabolism DPU, Metabolic Pathways and Cardiovascular Unit; GlaxoSmithKline; PO Box 2204 27709 Research Triangle Park NC
3. Division of Geriatrics; Duke University Medical Center; Durham NC
4. Applied Cachexia Research, Department of Cardiology; Charité Berlin, Campus Virchow-Klinikum; 13353 Berlin
5. Center for Clinical and Basic Research; IRCCS San Raffaele; Rome