1. Clinique romande de réadaptation, SUVA, Sion, Switzerland
2. Department of Medical Biochemistry, University of Geneva, Geneva, Switzerland
3. Endocrine Unit, University Hospital Geneva, Geneva, Switzerland
4. Division of Biochemistry, Biozentrum, University of Basel, Basel, Switzerland
5. School of Life and Environmental Science, University of Nottingham, Nottingham, U.K
6. Department of Cell Biology, The Scripps Research Institute, La Jolla, California