1. Pharmaceutical and Medicinal Chemistry Institute of Pharmacy and Food Chemistry Julius-Maximilians-University of Würzburg Am Hubland 97074 Würzburg Germany
2. Comprehensive Heart Failure Center University Hospital of Würzburg Am Schwarzenberg 15 97078 Würzburg Germany
3. Department of Nuclear Medicine University Hospital of Würzburg Oberdürrbacher Straße 6 97080 Würzburg Germany
4. Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama University 2-5-1 Shikata-cho, Kita-ku Okayama Japan
5. Department of Nuclear Medicine University Hospital of Augsburg Stenglinstraße 2 86156 Augsburg Germany