[1] Karolinska Inst, Dept Pathol & Oncol, Stockholm, Sweden
[2] Sahlgrens Acad, Dept Oncol, Gothenburg, Sweden
[3] Linkoping Univ, Dept Biomed & Clin Sci, Linkoping, Sweden
[4] Linkoping Univ, Dept Oncol, Linkoping, Sweden
[5] UCSF Univ Calif San Francisco, Dept Surg, San Francisco, CA USA
[6] UCSF Univ Calif San Francisco, Dept Med, San Francisco, CA USA
[7] UCSF Univ Calif San Francisco, Dept Lab Med, San Francisco, CA USA