Authors:Andrew T Taylor Jr., Emory UniversityDavid Brandon, Emory UniversityDiego de Palma, Circolo Hospital and the Macchi FoundationM. Donald Blaufox, Albert Einstein College of MedicineEmmanuel Durand, Université Paris-SudBelkis Erbas, Hacettepe UniversitySandra F. Grant, Veterans Administration Medical Center, AtlantaAndrew J.W. Hilson, Royal Free HospitalAnni Morsing, Rigshospitalet