1. Umeå Plant Science Center, Department of Forest Genetics and Plant Physiology Swedish University of Agricultural Sciences Umeå Sweden
2. Laboratory of Growth Regulators, Institute of Experimental Botany, The Czech Academy of Sciences and Faculty of Science Palacký University Olomouc Czech Republic
3. School of Life Sciences Henan University, Institute of Plant Stress Biology Kaifeng China
4. Department of Biomedical Engineering University of Arizona, School of Plant Sciences, BIO5 Institute, Arizona Cancer Center Tucson Arizona USA