1. Centre for Plant Sciences, Faculty of Biological Sciences; University of Leeds; Leeds LS2 9JT UK
2. Division of Plant Sciences and National Center for Soybean Biotechnology; University of Missouri; Columbia MO 65211 USA
3. Centre for Soybean Research of the State Key Laboratory of Agrobiotechnology and School of Life Sciences; The Chinese University of Hong Kong; Shatin Hong Kong Special Administrative Region