Institution: | 1. Department of Internal Medicine, Meander Medical Centre, Amersfoort, The Netherlandspvanbalen@ziggo.nl;3. Department of Clinical Chemistry, Meander Medical Centre, Amersfoort, The Netherlands;4. Department of Pediatrics, Meander Medical Centre, Amersfoort, The Netherlands;5. Department of Internal Medicine, Meander Medical Centre, Amersfoort, The Netherlands |