1. David B. Dunson is Professor, Department of Statistical Science, Duke University, Durham, NC 27708-0251 . Amy H. Herring is Associate Professor, Department of Biostatistics, and Fellow, Carolina Population Center, The University of North Carolina, Chapel Hill, NC 27599. Anna Maria Siega-Riz is Associate Professor, Department of Epidemiology, Associate Professor, Department of Nutrition, and Fellow, Carolina Population Center, Ther University of North Carolina, Chapel Hill, NC 27599. The authors thank...