1. United States Department of Agriculture; Agricultural Research Service; National Center for Agricultural Utilization Research; Peoria; IL; USA
2. Université catholique de Louvain; Earth and Life Institute; Applied Microbiology, Mycology; Mycothèque de l'Université catholique de Louvain (BCCMTM /MUCL); Louvain-la-Neuve; Belgium
3. National Research Council; Institute of Sciences of Food Production; Bari; Italy
4. Plant Research International B.V.; Wageningen; The Netherlands