1. School of Mathematical and Statistical Sciences, Arizona State University, Tempe, Arizona
2. School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, Arizona
3. Universidade de Santiago de Compostela, Galicia, Spain
4. School of Life Sciences, Arizona State University, Tempe, Arizona
5. Global Institute of Sustainability, Arizona State University, Tempe, Arizona
6. Department of Plant Biology, University of Illinois at Urbana–Champaign, Urbana, Illinois
7. Department of Agronomy, Iowa State University, Ames, Iowa
8. Climate and Ecosystems Science Division, Lawrence Berkeley National Laboratory, Berkeley, California
9. Global Change and Photosynthesis Research Unit, USDA-ARS, Urbana, Illinois