1. Randopt Team, Inria, Palaiseau, France
2. CMAP, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France
3. LRI, Université Paris-Sud, Orsay, France
4. Computational Statistics, TU Dortmund University, Dortmund, Germany
5. Jožef Stefan Institute, Ljubljana, Slovenia