[1] Maastricht Univ, Med Ctr, Ctr Cardiovasc, NL-6200 MD Maastricht, Netherlands
[2] Cardiovasc Res Inst Maastricht CARIM, Maastricht, Netherlands
[3] State Univ Limburg Hosp, Dept Internal Med, NL-6201 BX Maastricht, Netherlands
[4] Dept Clin Chem, Maastricht, Netherlands
[5] Univ Limburg, Dept Biochem, NL-6200 MD Maastricht, Netherlands
[6] Dept Vasc Surg, Maastricht, Netherlands