作者单位：Department of Cardiology and Angiology, Hannover University Medical School, Hannover, Germany[1]Department of Cardiology and Pulmonology, University of Goettingen, Goettingen, Germany, Department[2]Department of Medical Biometry and Statistics, University of Freiburg, Freiburg, Germany[3]Department of Cardiology and Pulmonology, University of Goettingen, Goettingen, Germany[4]
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