John R. Shaffer, Deborah E. Polk, Xiaojing Wang, Eleanor Feingold, Daniel E. Weeks, Myoung-Keun Lee, Karen T. Cuenco, Robert J. Weyant, Richard J. Crout, Daniel W. McNeil, Mary L. Marazita
G3 (Bethesda) 2014 Feb; 4(2): 307–314. Published online 2013 Dec 17. doi: 10.1534/g3.113.008755