1. University of Connecticut Health Center, Farmington, Connecticut, USA
2. Bassett Research Institute, Cooperstown, New York, USA
3. Jefferson Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
4. Danish Cancer Society, Copenhagen, Denmark
5. Harvard Medical School, Boston, Massachusetts, USA
6. Department of Biology, University of Virginia, Charlottesville, Virginia, USA
7. Lighting Research Center, Rensselaer Polytechnic Institute, Troy, New York, USA
8. Division of Extramural Research and Training, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA