Funding for this research was provided by:
Egg Nutrition Center (58-3062-6-002)
U.S. Department of Agriculture (3062-51000-051-00D)
Received: 13 September 2017
Accepted: 1 May 2018
First Online: 17 May 2018
Ethics approval and consent to participate
: This study uses publically available secondary data, and was deemed exempt by the University of North Dakota Institutional Review Board.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.