[1] Univ Pretoria, Dept Nucl Med, ZA-0002 Pretoria, South Africa
[2] Steve Biko Acad Hosp, ZA-0002 Pretoria, South Africa
[3] Univ Pretoria, Nucl Med Res Infrastruct NuMeRI, ZA-0002 Pretoria, South Africa
[4] Bioconstat BV, B-9000 Ghent, Belgium
[5] Univ Ghent, Fac Pharmaceut Sci, Drug Qual & Registrat Grp, B-9000 Ghent, Belgium
[6] DDO Strateg Serv, Tucson, AZ 85737 USA
[7] Univ Pretoria, Dept Internal Med, ZA-0002 Pretoria, South Africa
[8] Medaman Bv, B-2440 Geel, Belgium
[9] Open Hlth, Marlow SL7 2FF, Bucks, England
[10] 57 Chemin Lavoir, F-01630 Sergy Haut, France