- Correspondence to: Dr J Haba-Rubio Hôpitaux Universitaires Genève, Belle Idée, Chemin du Petit Bel-Air 2, 1225-Chêne-Bourg, Switzerland;
- Received 16 October 2003
- Accepted 14 September 2004
- Revised 16 August 2004
- Published in print 1 July 2005.
- Published online 16 June 2005.
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