1. Parasitology Unit; Max Planck Institute for Infection Biology; Berlin Germany
2. Depto. de Microbiologia; Immunologia e Parasitologia; UNIFESP; Sao Paolo Brazil
3. Institute of Medical Microbiology; Otto-von-Guericke University Magdeburg; Magdeburg Germany
4. University Hospital Erlangen; Medical Department 1; Erlangen Germany
5. Institute of Biology; Humboldt University; Berlin Germany