1. Department of Life SciencesUniversity of SienaVia Aldo Moro 253100Siena Italy
2. Duke University Medical Center Internal Medicine Residency ProgramDurham North Carolina
3. Department of Medical BiotechnologiesUniversity of SienaVia Aldo Moro 253100Siena Italy
4. Department of Molecular Cellular and Developmental BiologyYale UniversityNew Haven Connecticut