1. Division of Cardiology, Fondazione Cardiocentro Ticino, Via Tesserete, 48, CH-6900 Lugano, Switzerland
2. Medtronic, PLC, Mounds View, MN, USA
3. The Christ Hospital/The Ohio Heart & Vascular Center, Cincinnati, OH, USA
4. Royal Jubilee Hospital, Victoria, BC, Canada
5. Division of Cardiology, Kinki University School of Medicine, Osaka, Japan
6. Catharina Ziekenhuis, Eindhoven, The Netherlands
7. NAMSA, Inc., Minneapolis, MN, USA