1. Interventional Cardiology Unit, San Raffaele Scientific Institute, Milan, Italy
2. Interventional Cardiology Unit, New Tokyo Hospital, Chiba, Japan
3. Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
4. Interventional Cardiology Unit, EMO-GVM, Centro Cuore Columbus, Milan, and Villa Maria Cecilia Hospital GVM, Lugo, Italy