1. Cal Poly State University, San Luis Obispo, CA 93407, Phone: (805) 756-2540, Fax: (805) 756-1420, Email:pan@calpoly.edu
2. Texas A&M University, College Station, TX 77843, Phone: (979) 845-4903, Fax: (979) 862-7969, Email: jwang@tamu.edu
3. GE Global Research Center, Niskayuna, NY 12309, Phone: (518) 387-4051, Fax: (518) 387-5442, shaddock@research.ge.com