[1] Univ Brescia, Div Nucl Med, Brescia, Italy
[2] ASST Spedali Civili Brescia, Brescia, Italy
[3] Imaging Inst Southern Switzerland, Ente Ospeda Cantonale, Div Nucl Med, Bellinzona, Switzerland
[4] Univ Svizzera italiana, Fac Biomed Sci, Lugano, Switzerland
[5] Univ Lausanne, Fac Biol & Med, Lausanne, Switzerland