1. Department
of Immunohematology and Blood Transfusion, Leiden University Medical Centre (LUMC), Leiden, 2300 RC The Netherlands
2. Travel
Medicine of the CMDT, Institute of Hygiene and Tropical Medicine, Universidade Nova de Lisboa, Lisboa, 1349-008 Portugal
3. Departments
of Pulmonary Diseases and Medical Microbiology, Radboud University Medical Centre, Nijmegen, 6500 HB The Netherlands