By Theresa Marteau (United Medical and Dental Schools of Guy's and St Thomas's, London), Martin Richards
By Sarah S. Richardson
By Denis J Murphy (, Head of Biotechnology Unit, Division of Biological Sciences, University of Glamorgan, UK)
By Bronwyn Parry, Beth Greenhough
By Michael J. Reiss (Institute of Biology, London), Roger Straughan (University of Reading)
By Jon Entine
By S. Hamamah, R. Mieusset, Francois Olivennes, Rene Frydman
By R. H. F. Hunter (University of Montreal and University of Edinburgh)