1. The Henry Wellcome Integrated Signalling Laboratories, School of Biochemistry, University of Bristol; Bristol UK
2. Laboratory of Molecular Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health; Bethesda MD USA
3. Bio-Nanotechnology and Nanomedicine Laboratory, Department of Chemistry and Nano-Science Center, Lundbeck Foundation Center Biomembranes in Nanomedicine, University of Copenhagen; Copenhagen Denmark
4. Department of Medical Biochemistry and Biophysics, Umea University; Umeå Sweden