Open Access
Editorial
Editorial p. 107
Published online: 08 April 2004
DOI: 10.1140/epjc/s2004-01782-8
Editors-in-Chief
G. Dissertori, J. Monroe, D. J. Schwarz, K. Skenderis and G. Zanderighi
The author would like to thank two anonymous referees for pointing out several shortcomings in a previous version of this paper and for suggestions to improve its clarity.