1. Institute for Global Food Security; School of Biological Sciences, MBC, Queen's University Belfast; Belfast BT9 7BL Northern Ireland
2. Independent Safety Office; European Space Agency; 2200 AG Noordwijk The Netherlands
3. SETI Institute; Mountain View CA 94043 USA
4. NASA Headquarters; Washington DC 20546-0001 USA
5. CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8; Utrecht CT 3584 The Netherlands