[1] Maastricht Univ, Dept Nephrol & Clin Immunol, Med Ctr, NL-6202 AZ Maastricht, Netherlands
[2] Maastricht Univ, Dept Pathol, Med Ctr, Maastricht, Netherlands
[3] Zuyderland Med Ctr, Dept Internal Med, Heerlen, Netherlands
[4] Catharina Hosp, Dept Internal Med, Eindhoven, Netherlands