1. University of California Berkeley, Department of Integrative Biology, Berkeley, California, USA
2. USDA, Agricultural Research Service, Western Regional Research Center, Crop Improvement and Genetics Research Unit, Albany, California, USA
3. Azomite Mineral Products, Inc., Nephi, Utah, USA
4. i-Cultiver, Inc., Tracy, California, USA
5. Department of Plant Biology, Carnegie Institution for Science, Stanford, California, USA
6. The Chopra Foundation, Orlando, Florida, USA