1. Clontech Laboratories, Mountain View, CA
2. BD Biosciences Pharmingen, La Jolla, CA
3. Bayer Healthcare AG, Pharma Research—Molecular Screening Technology, Wuppertal, Germany
4. Russian Academy of Science—Siberian Branch, Institute of Biophysics, Photobiology Lab, Krasnoyarsk, Russia
5. Clontech Laboratories, 1290 Terra Bella Mountain View, CA 94043