1. School of Social Work, Boston College, Chestnut Hill, MA.
2. Department of Economics, Boston College, Chestnut Hill, MA.
3. Department of Macroeconomics, German Institute for Economic Research (DIW Berlin), Berlin, Germany.
4. Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA.
5. Division of General Academic Pediatrics, Department of Pediatrics, Massachusetts General Hospital for Children, Boston, MA.