1. Genomic Pathology Laboratory, Pathology and Experimental Toxicology, Parke‐Davis Pharmaceutical Research, Warner‐Lambert Company and Department of Pathology, the University of Michigan Medical School, Ann Arbor, MI, USA
2. Department of Internal Medicine, Kaohsiung Medical College, Kaohsiung, Taiwan
3. Department of Environmental Health, Harvard School of Public Health, Boston, MA, USA