Open Access
Published online: 27 January 2012
DOI: 10.1140/epjp/i2012-12010-6
Published online: 15 November 2011
DOI: 10.1140/epjp/i2011-11112-y
Published online: 11 November 2011
DOI: 10.1140/epjp/i2011-11110-1
Published online: 11 November 2011
DOI: 10.1140/epjp/i2011-11109-6
Published online: 11 November 2011
DOI: 10.1140/epjp/i2011-11108-7
Published online: 11 November 2011
DOI: 10.1140/epjp/i2011-11107-8
Open Access
Editorial
Published online: 11 November 2011
DOI: 10.1140/epjp/i2011-11106-9
Editors-in-Chief
B. Fraboni and G. García López
B. Fraboni and G. García López
The authors acknowledge the two anonymous reviewers for the constructive comments and suggestions which have helped to improve the manuscript significantly and thank the journal for the kind collaboration.