1. Section on Quantitative Imaging and Tissue SciencesEunice Kennedy Schriver National Institute of Child Health and Human DevelopmentNational Institutes of Health49 Convent DriveBethesdaMD 20892USA
2. Laboratoire de Spectrométrie Physique CNRS UMR 5588Université J. Fourier de Grenoble, B.P.8738402 St Martin d'Hères cedexFrance