1. Department of Medical Radiation Sciences, Institute of Clinical Sciences, Sahlgrenska Academy at Gothenburg University, Gothenburg, Sweden
2. Regional Cancer Centre West, Gothenburg, Sweden
3. Department of Oncology, Institute of Clinical Sciences, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
4. LEFO – Institute for Studies of the Medical Profession, Oslo, Norway
5. Institute of Stress Medicine, Gothenburg, Sweden
6. Sahlgrenska University Hospital, Gothenburg, Sweden