Yadolah Dodge is Professor of Statistics and Operations Research at the University of Neuchâtel, Switzerland. He is the author of " Analysis of experiments with missing data " (John Wiley), " Statistique : dictionnaire encyclopédique " (Dunod), and " Analyse de regression appliquée " (Dunod), and co-author of " Mathematical Programming in Statistics " (John Wiley, Classic Edition) with T-S Arthanari and " Alternative Methods of Regression (John Wiley) with David Birkes. He is a fellow of the Royal Statistical Society and a member of the International Statistical Institute. Jana Jurecova is Professor of Probability and Mathematical Statistics at Charles University in Prague, Czech Republic. She is a member of the Bernoulli Society Committee and a fellow of the Institute of Mathematical Statistics, and was an Associate Editor of the Annals of Statistics. She is a co-author of " Robust Statistical Procedures : Asymptotics and Inter-Relations with P-K Sen.