1. Università Cattolica del Sacro Cuore, Institute of Agricultural and Environmental Chemistry; Faculty of Agricultural Sciences; Via Emilia Parmense 84 I-29100 Piacenza Italy
2. Mouchel Consulting Ltd.; West Hall, Parvis Road West Byfleet Surrey KT14 6EZ United Kingdom
3. Food Standards Agency; Radiological Protection and Research Management Division; Aviation House, 125 Kingsway, Room 715B London WC2B 6NH United Kingdom