1. Center for Applied Social Research, The University of Oklahoma, 201 Stephenson Parkway, Suite 4100, Norman, OK 73019, USA
2. Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
3. Department of Nutrition and Dietetics, Marywood University, Scranton, PA, USA
4. Department of Nutritional Sciences, The Pennsylvania State University, State College, PA, USA