[1] Univ Liege, CHR Citadelle, B-4000 Liege, Belgium
[2] Univ Krankenhaus Eppendorf, Eppendorf, Germany
[3] Univ Copenhagen, Glostrup Hosp, DK-1168 Copenhagen, Denmark
[4] Univ Valencia, Hosp Clinico Univ, E-46003 Valencia, Spain
[5] Hop Louis Pasteur, Nice, France
[6] Univ Duisburg Essen, Essen, Germany
[7] Auton Technol Inc, Strongsville, OH USA