1. Department of Nuclear Medicine, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
2. Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin
3. Department of Nuclear Medicine, Inselspital University Hospital Bern, Bern, Switzerland
4. Department of Nuclear Medicine, University Hospital Essen, Essen, Germany