1 Department of Paediatrics and Paediatric Infectious Diseases, Institute of Child's Health, Sechenov First Moscow State Medical University, Moscow, Russia; Inflammation, Repair and Development Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London W2 1PG, UK. Electronic address: daniel.munblit08@imperial.ac.uk.
2 Long Covid Support, University College London, London, UK.
3 Sainsbury Wellcome Centre, University College London, London, UK; Patient-Led Research Collaborative, Washington, DC, USA.
4 Institute of Archaeology, University College London, London, UK.
5 ISARIC Global Support Centre, Pandemic Sciences Institute, University of Oxford, Oxford, UK.
6 Pulmonary and Critical Care Medicine, Department of Medicine, and Department of Physical Medicine and Rehabilitation, School of Medicine, and Outcomes After Critical Illness and Surgery (OACIS) Research Group, Johns Hopkins University, Baltimore, MD, USA.