http://reply.papertrans.cn/1/4/397/397-11.png
http://reply.papertrans.cn/1/4/397/397-12.png
http://reply.papertrans.cn/1/4/397/397-13.png
Submitted on: 29 May 2004.
Revised on: 09 July 2004.
Accepted on: 29 July 2004.
___________________ACTA NEUROLOGICA BELGICA---SPRINGER HEIDELBERG
http://reply.papertrans.cn/1/4/397/397-15.png
http://reply.papertrans.cn/1/4/397/397-16.png
Submitted on: 19 December 2002.
Revised on: 06 February 2003.
Accepted on: 23 February 2003.
___________________ACTA NEUROLOGICA BELGICA---SPRINGER HEIDELBERG
Submitted on: 30 September 2003.
Revised on: 30 November 2003.
Accepted on: 14 January 2004.
___________________ACTA NEUROLOGICA BELGICA---SPRINGER HEIDELBERG
http://reply.papertrans.cn/1/4/397/397-19.png
http://reply.papertrans.cn/1/4/397/397-20.png