1 Number of words in manuscript: 3,051 words 1 Number of tables: 3 2 Number of figures: 2 3 Supplementary appendix: 1 4 Supplementary tables: 3 5 Supplementary figures: 5 6 Risk of suicidal event with stimulant treatment: a self-controlled case series study 7 Authors: 8 Kenneth KC Man, 1-4 MPH, David Coghill, 4-6 MD, Esther W Chan, 2 PhD, Wallis CY Lau, 2 BSc, Chris 9 Hollis, 4,7,8 PhD, Elizabeth Liddle, 4,7,8 PhD, Tobias Banaschewski, 4,9 MD, Suzanne McCarthy, 4,10 PhD, 10 Antje Neubert, 4,11 PhD, Kapil Sayal, 4,7,8 PhD, Patrick Ip, 1 MBBS, Martijn J Schuemie, 12 PhD, Miriam 11 Sturkenboom, 3 PhD, Edmund Sonuga-Barke, 4,13 PhD, Jan Buitelaar, 4,14 MD, Sara Carucci, 4,15 MD, 12 Alessandro Zuddas, 4,15 MD, Hanna Kovshoff, 4,13 PhD, Peter Garas, 4,16 MD, Peter Nagy, 4,16 MD, Sarah K 13 Inglis, 4,5,17 PhD, Kerstin Konrad, 4,18 PhD, Alexander Häge, 4,9 MD, Eric Rosenthal, 4,19 MD and Ian CK 14 Wong, 2,4,20 PhD. 15 Author affiliations: 16 1 Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University 17 of Hong Kong, Hong Kong 18 2 Centre for Safe Medication Practice and Research, Department of Pharmacology and Pharmacy, Li Ka 19 Shing Faculty of Medicine, The University of Hong Kong, Hong Kong 20 3 Department of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands 21 4 The Attention deficit hyperactivity disorder drugs use chronic effects (ADDUCE) Consortium 22