1. Applied Research in Dermatology and Bartonella Infection Laboratory, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil.
2. Department of Dermatology, University of Minnesota, Mineapolis, Minnesota.
3. Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota.
4. Laboratory Applied Research in Dermatology and Bartonella Infection, Division of Dermatology, Department of Medicine, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil.