[1] US FDA, Regulatory Act, Natl Ctr Toxicol Res, Bldg 32,Room 2208,10903 New Hampshire Ave, Silver Spring, MD 20993 USA
[2] Duke Univ, Dept Med, Sch Med, Div Gastroenterol, Durham, NC 27710 USA
[3] Brown Univ, Warren Alpert Med Sch, Providence, RI 02903 USA
[4] Rhode Isl Hosp, Pediat Endocrinol, Providence, RI 02903 USA
[5] Cornell Univ, Coll Vet Med, Dept Microbiol & Immunol, Ithaca, NY 14853 USA
[6] Pfizer Inc, Drug Safety Res & Dev, Groton, CT 06340 USA
[7] Univ Calif Davis, Dept Environm Toxicol, Davis, CA 95616 USA
[8] Univ Southern Calif, Kerk Sch Med, Los Angeles, CA 90027 USA
[9] Jean Pierre Aubert Res Ctr, Jean Pierre Aubert Res Ctr, Lille, France
[10] US FDA, Div Syst Biol, Natl Ctr Toxicol Res, Jefferson, AR 72079 USA
[11] Hastings Toxicol Consulting LLC, Mt Airy, MD 21771 USA
[12] NIEHS, Div Extramural Res, POB 12233, Res Triangle Pk, NC 27709 USA
[13] Boehringer Ingelheim Pharmaceut Inc, Expt Pathol, 90 E Ridge POB 368, Ridgefield, CT 06877 USA
[14] Burleson Res Technol Inc, Morrisville, NC 27560 USA