1. a Department of DMPK and Bioanalysis , AstraZeneca R&D Södertälje , Södertälje, Sweden
2. b Department of Chemistry , Karlstad University , Karlstad, Sweden
3. c Experimental Cancer Medicine , Clinical Research Centre, Novum Karolinska University Hospital , Huddine, Sweden
4. d Department of Laboratory Medicine , Karolinska Institutet , Sweden