1. From the Department of Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden (SR); the Divisions of Preventive Medicine (SR, I-ML, PMR, JMG, JEM, JEB, and HDS) and Aging (JMG and HDS), Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA); the Departments of Social and Behavioral Science (PMR) and Epidemiology (I-ML, PMR, JEM, JEB, an