1. Department of Cardiology, University Hospital of Bern, Bern, Switzerland
2. Interventional cardiology, McGill University Health Centre, Montréal, Canada
3. Cardiovascular Research Foundation, Columbia University Medical Center, CRF Skirball Center for Innovation, New York, NY, USA
4. Cardiology and Cardiovascular Surgery Department, Heart Valve Center, Institut Cœur Poumon CHU de Lille, Lille, France
5. Cardiovascular Surgery, Jioa Tong university, Shanghai, China