1. Department of Surgery, Sahlgrenska Hospital, S-41345 Göteborg, Sweden
2. Department of Pathology, Sahlgrenska Hospital, S-41345 Göteborg, Sweden
3. Division of Nuclear Medicine, Sahlgrenska Hospital, S-41345 Göteborg, Sweden
4. Department of Radiation Physics, Sahlgrenska Hospital, S-41345 Göteborg, Sweden