1. Division of Neuroscience; College of Physicians and Surgeons; Columbia University; New York New York
2. Department of Health Psychology; Institute of Public Health; University of Copenhagen; Copenhagen Denmark
3. Department of Health Sciences; Gerontology Research Center; University of Jyvaskylä; Jyväskylä Finland
4. Section of Social Medicine; Department of Public Health; University of Copenhagen; Copenhagen Denmark
5. Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark