1. Department of General Medicine, Yale Center for Health and Learning Games, New Haven, Connecticut.
2. play2PREVENT Lab at Yale, New Haven, Connecticut.
3. McGill University, Montreal, Quebec.
4. Department of Kinesiology and Physical Education, Irvine School of Medicine, University of California, Irvine, California.
5. Digitalmill, Inc., Freeport, Maine.
6. Yale Child Study Center, New Haven, Connecticut.