1. Department of Surgery and the Heart and Vascular Center, Brigham and Women's Hospital/Harvard Medical School, Boston, MA, USA
2. Department of Genetics and Complex Diseases, Harvard School of Public Health, Boston, MA, USA
3. Department of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital/Harvard Medical School, Boston, MA, USA
4. Department of Thoracic and Vascular Surgery, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
5. Department of Neurosurgery, Brigham and Women's Hospital/Harvard Medical School, Boston, MA, USA