Year    Vol.    Issue    pp.        2009  2008  2007  7 No. 5-6 391-562 October 2007   No. 4 307-390 September 2007   No. 2-3 93-306 July 2007   No. 1 1-92 May 2007 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