| Affiliation: | 1. Department of Psychiatry, Columbia University, New York, NY 10032, USA;2. New York State Psychiatric Institute, New York, NY 10032, USA;3. Institute for the Developing Mind, Children''s Hospital Los Angeles, Los Angeles CA, USA;4. Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA;1. Department of Economics, College of Social Sciences, Seoul National University, Building 16, Room 633, Seoul, Republic of Korea;2. IZA (Institute for the Study of Labor), Germany;3. Korea Culture & Tourism Institute, Republic of Korea |
