Editors-in-Chief
A. Beige, H. Kersten and P. Limão-Vieira
Thank you very much for processing this manuscript so rapidly, and obtaining two reports from competent referees.

Franck Laloë

ISSN (Print Edition): 1434-6060
ISSN (Electronic Edition): 1434-6079

© EDP Sciences, Società Italiana di Fisica and Springer-Verlag