Edited by Sophie Bennett, Senior Research Fellow, UCL Great Ormond Street Institute of Child Health, Pamela Myles-Hooton, Director, Bespoke Mental Health, Jessica Schleider, Assistant Professor, Department of Psychology, Stony Brook University, and Roz Shafran, Professor of Translational Psychology, UCL Great Ormond Street Institute of Child Health.

Dr Sophie Bennett is a Senior Research Fellow at the UCL Great Ormond Street Institute of Child Health and Honorary Clinical Psychologist at Great Ormond Street Hospital for Children. She has a doctorate in clinical psychology from UCL, UK and a PhD in the mental health of children with epilepsy from the UCL Great Ormond Street Institute of Child Health. Her current research and clinical practice focus on increasing access to evidence-based assessment and treatment of emotional and behavioural difficulties in children and young people, and specifically those who also have a physical health condition.

Pamela Myles-Hooton is a Senior Fellow of the Higher Education Academy and a Fellow of the British Association for Behavioural and Cognitive Psychotherapies (BABCP). She is experienced in developing and delivering training programmes in evidence-based psychological interventions for adults, and children and young people, particularly low intensity CBT interventions. She has contributed to low and high intensity national guidance and curricula for both adults and children. She is an accreditation officer for the BABCP focusing on applications from evidence-based parent training practitioners and sits on the British Psychological Society's low intensity CBT course accreditation committee.

Dr. Jessica L. Schleider is an Assistant Professor of Psychology at Stony Brook University. She completed her Ph.D. in Clinical Psychology at Harvard University <http://www.harvard.edu/> in 2018, along with an APA-accredited Doctoral Internship at Yale School of Medicine <http://medicine.yale.edu/psychiatry/psychology/>. Her research on single-session and scalable interventions for youth depression and anxiety has been recognized via numerous awards, including the ?NIH Director's Early Independence Award; the Association of Behavioral and Cognitive Therapies' President's New Researcher Award; and the Society of Clinical Child and Adolescent Psychology's Abidin Early Career Award. In 2020, she was chosen as one of Forbes' 30 Under 30 <https://www.forbes.com/profile/jessica-schleider/?list=30under30-healthcare> in Healthcare.

Professor Roz Shafran is Professor of Translational Psychology at UCL Great Ormond Street Institute of Child Health. Her research interests include improving access to evidence-based psychological treatments as well as the dissemination and implementation of those interventions across the age range. She has particular expertise in obsessive compulsive disorder, anxiety disorders, eating disorders and perfectionism. Her current role is focused on developing and evaluating psychological interventions for children and young people with common mental health disorders in the context of chronic illness. She has over 250 research publications.

Isaac Ahuvia, Stony Brook University, New York, USA
Morgan S. Anvari, University of Maryland, College Park, MD, USA
Abby Bailin, Harvard University, Cambridge, MA, USA
Rinad Beidas, University of Pennsylvania, Philadelphia, PA, USA
Sophie D. Bennett, UCL Great Ormond Street Institute of Child Health, London, UK
Matteo Catanzano, UCL Great Ormond Street Hospital for Children, London, UK
Chloe Chessell, University of Reading, Reading, UK
Anna Coughtrey, UCL Great Ormond Street Institute of Child Health, London, UK
Margaret E. Crane, Temple University, Philadelphia, PA, USA
Cathy Creswell, University of Oxford, Oxford, UK
Lauren Croucher, UCL Great Ormond Street Institute of Child Health, London, UK
Vicki Curry, Anna Freud Centre, London, UK
Windy Dryden, Goldsmiths, University of London, London, UK
Colin A. Espie, University of Oxford, Oxford, UK
Peter Felsman, Stony Brook University, New York, USA
Julia W. Felton, Michigan State University, East Lansing, MI, USA
Olivia Fitzpatrick, Harvard University, Cambridge, MA, USA
Theresa M. Fleming, Victoria University of Wellington, Wellington, New Zealand
Lesley French, Anna Freud Centre, London, UK
Catherine Gallop, University of Exeter, Exeter, UK
Dimitri Gavriloff, University of Oxford, Oxford, UK
Joseph Giacomantonio, Stony Brook University, New York, USA
Ann Hagell, Association of Young People's Health, London, UK
Charlotte L. Hall, University of Nottingham, Nottingham, UK
Claire Hill, University of Oxford, Oxford, UK
Philip C. Kendall, Temple University, Philadelphia, PA, USA
Martin Knapp, London School of Economics and Political Science, London, UK
Georgina Krebs, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
Duncan Law, Anna Freud Centre, London, UK
Carl W. Lejuez, University of Connecticut, Storrs, CT, USA
Matthew D. Lerner, Stony Brook University, New York, USA
Angela Lewis, Institute of Psychiatry, Psychology & Neuroscience, King's College London, OCD, BDD, and Related Disorders Clinic for Young People, South London and Maudsley NHS Foundation Trust, London, UK
Erin J. Libsack, Stony Brook University, New York, USA
Dan I. Lubman, Monash University, Melbourne, Australia
Mathijs F. G. Lucassen, The Open University, London, UK
Jessica F. Magidson, University of Maryland, College Park, MD, USA
Colleen A. Maxwell, Temple University, Philadelphia, PA, USA
Terence V. McCann, Monash University, Melbourne, Australia
Lauren F. McLellan, Macquarie University, Sydney, Australia
Morgan L. McNair, Stony Brook University, New York, USA
Sally N. Merry, The University of Auckland, Auckland, New Zealand
Elif Mertan, UCL Great Ormond Street Institute of Child Health, London, UK
Wendy Minhinnett, Rollercoaster Family Support, County Durham, UK, Charlie Waller Trust, Berkshire, UK
Tara Murphy, Great Ormond Street Hospital for Children, London, UK
Lindsay B. Myerberg, Temple University, Philadelphia, PA, USA
Pamela Myles-Hooton, Bespoke Mental Health, Reading, UK
Lauran O'Neill, Great Ormond Street Hospital for Children, London, UK
Jonathan Parker, University of Exeter, Exeter, UK
Jonathan C. Rabner, Temple University, Philadelphia, PA, USA
Alexander Rozental, Uppsala University, Uppsala, Sweden
Charlotte Sanderson, Great Ormond Street Hospital for Children, London, UK
Jessica L. Schleider, Stony Brook University, New York, USA
Carolyn Schniering, Macquarie University, Sydney, Australia
Simone Schriger, University of Pennsylvania, Philadelphia, PA, USA
Roz Shafran, UCL Great Ormond Street Institute of Child Health, London, UK
Matthew J. Shepherd, Massey University of New Zealand, Palmerston North, New Zealand
Paul Stallard, University of Bath, Bath, UK
Karolina Stasiak, The University of Auckland, Auckland, New Zealand
Jenna Sung, Stony Brook University, New York, USA
Katherine Venturo-Conerly, Harvard University, Cambridge, MA, USA
Hannah Vickery (née Whitney), The Charlie Waller Institute, University of Reading, Reading, UK
Felicity Waite, University of Oxford, Oxford, UK
Polly Waite, University of Oxford, Oxford, UK
Melissa Wei, Harvard University, Cambridge, MA, USA
John Weisz, Harvard University, Cambridge, MA, USA
Zuzanna K. Wojcieszak, Temple University, Philadelphia, PA, USA
Gloria Wong, The University of Hong Kong, Hong Kong
Viviana Wuthrich, Macquarie University, Sydney, Australia