1. Baby Health Behavior Lab, Division of Health Services and Outcomes Research, Children's Mercy Research Institute, Children's Mercy Hospital, Kansas City, MO, USA.
2. Department of Pediatrics, University of Missouri-Kansas City, Kansas City, MO, USA.
3. Department of Pediatrics, University of Kansas Medical Center, Kansas City, KS, USA.
4. Division of Behavioral Medicine, Department of Pediatrics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA.
5. Department of Psychology, Penn State University, University Park, PA, USA.
6. Center for Ingestive Behavior Research, University at Buffalo, Buffalo, NY, USA.