Manzano, Luis Manzano, María C. Mao, Jialiang, Department of cardiology, Renji hospital, School of Medicine, Shanghai Jiaotong University, Shanghai China Mao, Justin, Heart and Vascular Institute, Henry Ford Hospital, Detroit, MI, USA Mao, Yu, Division of Cardiology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China Maor, Elad Maor, Elad (Israel) Marcassa, Claudio Marchei, Massimo Marchel, Michał Marchel, Michał, Warsaw Medical University 1st Department of Cardiology (Poland) Marchel, Michał Marchel, Michał Marchionni, Niccolò Marchlewski, Tomasz, Department of Cardiology, J. Strus Hospital, Poznan, Poland Marciniak, Agata Marciniak, Sylwia Marciniak, Wojciech Marciniak-Emmons, Marta, Institute of Cardiology Warsaw Marcinkiewicz, Klaudia Marcinkowski, Marcin, Cardiac Department No.1, Jagiellonian University, Collegium Medicum, Cracow, Poland Marco, Maria Marcolongo, Renzo Marcos, Marta Marcos-Alberca, Pedro