[1] Univ Hosp Muenster, Dept Nucl Med, Munster, Germany
[2] Univ Hosp Bonn, Dept Nucl Med, Bonn, Germany
[3] Heidelberg Univ, Dept Nucl Med, Heidelberg, Germany
[4] Zentralklin Bad Berka, Bad Berka, Germany
[5] Univ Cologne, Dept Nucl Med, Cologne, Germany
[6] Univ Marburg, Dept Nucl Med, Marburg, Germany
[7] Charite, Dept Nucl Med, Med Ctr, Berlin, Germany
[8] Univ Aachen, Dept Nucl Med, Aachen, Germany
[9] Univ Freiburg, Dept Nucl Med, Freiburg, Germany
[10] Univ Hosp Muenster, IBKF, Munster, Germany
[11] Univ Munster, Med Ctr, Munster, Germany
[12] Univ Munich LMU, Dept Nucl Med, Munich, Germany
[13] Univ Rostock, Dept Nucl Med, Rostock, Germany