Inferring the three-dimensional distribution of dust in the Galaxy with a non-parametric method - Preparing for GaiaS. Rezaei Kh., C. A. L. Bailer-Jones, R. J. Hanson and M. FouesneauA&A, 598 (2017) A125DOI: https://doi.org/10.1051/0004-6361/201628885