[1] Univ North Carolina Chapel Hill North Carolina St, Dept Med, Chapel Hill, NC USA
[2] Univ North Carolina Chapel Hill North Carolina St, Ctr Gastrointestinal Biol & Dis, Chapel Hill, NC USA
[3] Univ North Carolina Chapel Hill North Carolina St, Joint Dept Biomed Engn, Chapel Hill, NC USA
[4] Univ N Carolina, Dept Cell Biol & Physiol, Chapel Hill, NC 27515 USA
[5] Univ N Carolina, Curriculum Bioinformat & Computat Biol, Chapel Hill, NC 27515 USA
[6] Univ N Carolina, Lineberger Comprehens Canc Ctr, Chapel Hill, NC 27515 USA
[7] Univ N Carolina, Dept Genet, Chapel Hill, NC 27515 USA
[8] Univ N Carolina, Dept Pathol & Lab Med, Chapel Hill, NC 27515 USA