[1] Penn State Univ, Huck Inst Life Sci, Wartik Lab 502, University Pk, PA 16802 USA
[2] Penn State Univ, Inst Mol Evolutionary Genet, Mueller Lab 512, University Pk, PA 16802 USA
[3] Penn State Univ, Dept Biol, Mueller Lab 512, University Pk, PA 16802 USA
[4] Penn State Univ, Dept Comp Sci & Engn, University Pk, PA 16802 USA