1. NMR Laboratory, Institute of Myology, Pitié-Salpêtrière University Hospital; Paris France
2. CEA/DRF/I BM/MIRCen; Fontenay aux Roses France
3. CEA/DRF/I BM/NeuroSpin/UNIRS; Gif Sur Yvette France
4. IR4M UMR8081, CNRS, University of Paris-Sud, University of Paris-Saclay; Orsay France