[1
]
a Department of Cardiology , Kerckhoff Heart and Thorax Center , Bad Nauheim , Germany.
[2
]
b DZHK (German Center for Cardiovascular Research), partner site RheinMain , Frankfurt
am Main , Germany.
[3
]
c Department of Cardiac Surgery , Kerckhoff Heart and Thorax Center , Bad Nauheim
, Germany.
[4
]
d Medical Clinic I, Cardiology and Angiology , University of Giessen , Giessen , Germany.
[5
]
e Department of Medicine , Christchurch Heart Institute, University of Otago , Christchurch
, New Zealand.
[6
]
f Cardiovascular Research Institute , National University of Singapore , Singapore.