Year    Vol.    Issue    pp.        2009  2008  2007  2006  6 No. 6 505-658 March 2007   No. 5 423-504 October 2006   No. 4 261-422 August 2006   No. 3 169-260 July 2006   No. 1-2 1-168 April 2006 2005  2004  2003  2002  2001    Journal Home Journal Content Guidelines Editorial Board Aims and Scope Subscriptions Library Recommendation Alerts & RSS Online Sample Top 10 Articles Search in this journal For non-native English speakers and international authors who would like assistance with their writing before submission, we suggest American Journal Experts for their scientific editing service.  © 2009 S. Karger AG, Basel