1. School of Physiology, Pharmacology and Neuroscience, University of Bristol, Biomedical Sciences Building, Bristol BS8 1TD, UK.
2. Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge CB3 2DY, UK.
3. CNS Diseases Research, Boehringer Ingelheim GmbH & Co. KG, Biberach an der Riss, Germany.
4. COMPASS Pathways plc, London W1F 0DQ, UK.