Affiliation: | 1. Department of General Internal Medicine, Nijmegen Institute for International Health (456), Radboud University Medical Center, Geert Grooteplein Zuid 8, PO Box 9101, 6500 HB Nijmegen, The Netherlands;2. Department of Laboratory Medicine, Laboratory of Genetic, Endocrine, and Metabolic Diseases (830), Radboud University Medical Center, Geert Grooteplein Zuid 8, PO Box 9101, 6500 HB Nijmegen, The Netherlands |