By Mackie, Bella
By Nathaniel Comfort
By Clive Gamble (University of Southampton)
By Sian Williams
By Brenda Smith Myles, Jack Southwick
By Alfonso Martinez Arias, Alison Stewart, Alfonso Martinez Arias (Department of Zoology, University of Cambridge)
By I.K. Morton, Judith M. Hall
By Raif Geha (Harvard Medical School, Children's Hospital Boston), Fred Rosen (Emeritus Harvard Medical School, US)
By Klaus D. Elgert
By Russell Barkley
By Mark A. Davis
By Vincent J. Markovchick, Peter T. Pons, Richard E. Wolfe (all from the Department of Emergency Medicine, Denver General Hospital, Denver, Colorado, USA)
By S. Mangione
By Agneta Schreurs, Malcolm Pines
By Kim Etherington, Gillie Bolton
By Babette Rothschild
By Ray Woolfe, Windy Dryden
By Jane Ogden
By Katie Lynch
By Robert H. Whitaker, Neil R. Borley
By Bernard Kingston
By F.A. Davis Company
By Robert C. King, William D. Stansfield
By David Goldman (Clinical Director and Chief of the Laboratory of Neurogenetics, Office of the Clinical Director, Laboratory of Neurogenetics, NIAAA, Bethesda, MD, USA)
By Paolo Sassone Corsi, Yves Christen
By Sophie Elkan, Laura Chaisty, Dr Maddy Podichetty, Flo Perry
By M. S. John Pathy
By Michael J. Apter
By Drugscope
By Gavin Spickett