Keith Humphreys Author

E. Jane Marshall is Consultant Psychiatrist, South London and Maudsley NHS Foundation Trust and Senior Lecturer in the Addictions, Institute of Psychiatry, King's College London, London, UK. Keith Humphreys is Professor of Psychiatry, Stanford University, and Research Career Scientist, Department of Veterans Affairs, Palo Alto, USA. David M. Ball is Senior Lecturer and Honorary Consultant Psychiatrist, Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, UK.