[1] Univ Munster, Inst Arterioskleroseforsch, D-48149 Munster, Germany
[2] Univ Munster, Inst Clin Chem & Lab Med, D-48149 Munster, Germany
[3] Univ Valencia, Fac Med, E-46003 Valencia, Spain
[4] Inst Pasteur, Dept Study Lipids & Lipoprot, F-59019 Lille, France
[5] Univ Naples, Dept Clin & Expt Med, I-80138 Naples, Italy
[6] Univ London, London WC1E 7HU, England
[7] Univ Milan, Fac Pharm, I-20122 Milan, Italy