[1] Univ Texas Southwestern Med Ctr, Quantitat Biomed Res Ctr, Peter Odonnell Jr Sch Publ Hlth, Dallas, TX 75390 USA
[2] Yale Univ, Program Computat Biol & Bioinformat, New Haven, CT USA
[3] Univ Texas Dallas, Dept Math Sci, Richardson, TX USA
[4] Univ Texas Southwestern Med Ctr, Dept Bioinformat, Dallas, TX 75390 USA
[5] UT Southwestern Med Ctr Dallas, Simmons Comprehens Canc Ctr, Dallas, TX 75390 USA