5 Department of Nuclear Medicine, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany.
6 Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Nuclear Medicine, Berlin, Germany.
7 Nuclear Medicine, Medical Faculty, University of Augsburg, Augsburg, Germany.
8 Department of Nuclear Medicine, University Hospital Münster, Münster, Germany.
9 Department of Nuclear Medicine, Klinikum Konstanz, Konstanz, Germany.