1. School of Biosciences, University of Birmingham, Birmingham, B15 2TT, UK
2. Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, Midlands, UK
3. MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK
4. Department of Chemistry and Polymer Science, Division of Polymer Science, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
5. Life and Health Sciences, Aston University, Birmingham B4 7ET, UK
6. School of Life Sciences, University of Essex, Wivenhoe Park, Essex CO4 3SQ, UK
7. Centre for Sport, Exercise and Life Sciences, Institute for Health & Wellbeing, Alison Gingell Building, Coventry University, Coventry, CV1 2DS, UK