1. Christchurch Hospital, Christchurch, New Zealand
2. Christchurch Heart Institute, University of Otago Christchurch, Christchurch, New Zealand
3. National University of Singapore, Singapore
4. Royal Brisbane and Women's Hospital, Herston, Australia
5. University of Technology, Brisbane, Australia
6. University of Queensland, Brisbane, Australia
7. Divisions of Cardiovascular and Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
8. Baylor College of Medicine, Houston, TX
9. Mayo Clinic, Rochester, MN