title: Comment on "Origin of cosmic magnetic fields".
authors: Université de Genève, DPT and CAP, 24 quai Ernest-Ansermet, CH-1211 Genève 4, Switzerland.
authors: Ruth
authors: R
authors: Durrer
authors: Université de Genève, DPT and CAP, 24 quai Ernest-Ansermet, CH-1211 Genève 4, Switzerland.
authors: Giovanni
authors: G
authors: Marozzi
authors: Namur Center for Complex Systems and University of Namur, 8 Rempart de la Vierge B-5000, Belgium.
authors: Massimiliano
authors: M
authors: Rinaldi