1. Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden
2. Department of Surgery, University of California, San Francisco, San Francisco
3. Buck Institute for Research on Aging, Novato, California
4. Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
5. Department of Laboratory Medicine, University of California, San Francisco, San Francisco
6. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill
7. Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
8. Department of Oncology, Linköping University, Linköping, Sweden
9. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden