Letter to the Editor: Caution warranted when interpreting registry studies of medication. A response to Boland et al. (2020)

Affiliations

• ¹ MRC Cognition and Brain Sciences Unit, University of Cambridge, 15 Chaucer Road, Cambridge, CB2 7EF, UK. Electronic address: joanne.cotton@mrc-cbu.cam.ac.uk.
• ² Department of Pediatrics, University of California Irvine, 3 Harvey Court, Irvine, CA, 92617, USA. Electronic address: jmswanso@hs.uci.edu.
• ³ Department of Child and Adolescent Psychiatry, King's College London and Institute of Psychiatry, Psychology and Neuroscience, De Crespigny Park, London, SE5 8AF, UK. Electronic address: edmund.sonuga-barke@kcl.ac.uk.
• ⁴ Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, 291 Campus Drive, Li Ka Shing Building, Stanford, CA, 94305, USA. Electronic address: hckhome@pacbell.net.