1. Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden
2. Department of Surgery, University of California San Francisco, San Francisco, CA
3. Buck Institute for Research on Aging, Novato, CA
4. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
5. Department of Genetics, Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC
6. Department of Pathology, University of California San Francisco, San Francisco, CA
7. Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
8. Center for Comparative Medicine, Department of Pathology and Laboratory Medicine, University of California Davis, Davis, CA
9. Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA
10. Department of Pathology and Laboratory Medicine, University of California Irvine, Irvine, CA
11. Department of Pathology and Laboratory Medicine, University of California San Diego, La Jolla, CA
12. Department of Clinical and Experimental Medicine and Department of Oncology, Linköping University, Linköping, Sweden
13. Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden