1. Institut Universitaire de Pathologie; Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne; Lausanne
2. Service et laboratoire central d'Hématologie; Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne; Lausanne
3. Service de Dermatologie; Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne; Lausanne
4. Institut Universitaire de Pathologie; Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne; Lausanne; Switzerland