1. Maronpot Consulting, 1612 Medfield Road, Raleigh, North Carolina, 27607 USA
2. Inotiv, PO Box 13501, Research Triangle Park, North Carolina, 27709 USA
3. San-Ei Gen F. F. I., Inc., 1-1-11 Sanwa-cho, Toyonaka, Osaka 561-8588, Japan
4. National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-9501, Japan