Brackel C.L.H., Department of Pediatric Pulmonology, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands, Department of Pediatrics, Tergooi MC, Hilversum, Netherlands; Noij L.C.E., Department of Pediatric Pulmonology, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands; Vijverberg S.J.H., Department of Pediatric Pulmonology, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands, Department of Pulmonary Medicine, Amsterdam Institute for Infection and Immunology, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands; Legghe C.L., Department of Pediatric Pulmonology, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands, Faculty of Pharmacy, University of Lille, Lille, France; Maitland-van der Zee A.H., Department of Pediatric Pulmonology, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands, Department of Pulmonary Medicine, Amsterdam Institute for Infection and Immunology, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands; van Goudoever J.B., Department of Pediatrics, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands; Buonsenso D., Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Munblit D., Care for Long Term Conditions Division, Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King’s College London, London, United Kingdom, Department of Paediatrics and Paediatric Infectious Diseases, Institute of Child’s Health, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation, Research and Clinical Center for Neuropsychiatry, Moscow, Russian Federation; Sigfrid L., ISARIC Global Support Centre, Pandemic Science Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom; McFarland S., Long COVID Kids and Friends, Fletcher & Partners, Crown Chambers, Bridge Street, Salisbury, SP1 2LZ, United Kingdom; Anmyr L., Medical Unit Social Work, Function Allied Health Professionals, Karolinska University Hospital, Stockholm, Sweden; Ashkenazi-Hoffnung L., Department of Day Hospitalization, Schneider Children’s Medical Center, Tel Aviv, Petach Tikva, Israel; Bellinat A.P.N., Pediatric Intensive Care Unit, Hospital Martagão Gesteira – Children’s Hospital, Salvador, Brazil; Dias N.L.S., Pediatric Intensive Care Unit, Hospital Martagão Gesteira – Children’s Hospital, Salvador, Brazil; Edwards A., Department of Infectious Disease, Rainbow Babies and Children’s Hospital, Cleveland, OH, United States; Fashina T., Department of Global Health, Yale University School of Public Health, New Haven, CT, United States; Juraški R.G., Department of Pediatric Neurology, Srebrnjak Children’s Hospital, Zagreb, Srebrnjak, Croatia, Medical School of Osijek, University of Osijek, Zagreb, Osijek, Croatia; Gonçalves A.L.N., Universidade Católica de Pernambuco, Pernambuco, Recife, Brazil; Hansted E., Department of Pediatrics, Lithuanian University of Health Sciences Hospital KaunoKlinikos, Kaunas, Lithuania; Herczeg V., Pediatric Center, MTA Center of Excellence, Semmelweis University, Bókay Unit, Budapest, Hungary; Hertting O., Department of Women’s and Children’s Health, Karolinska Institute, Stockholm, Sweden; Jankauskaite L.N., Department of Pediatrics, Lithuanian University of Health Sciences Hospital KaunoKlinikos, Kaunas, Lithuania; Kaswandani N., Department of Child Health, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Kevalas R., Department of Pediatrics, Lithuanian University of Health Sciences Hospital KaunoKlinikos, Kaunas, Lithuania; Krivácsy P., Pediatric Center, MTA Center of Excellence, Semmelweis University, Bókay Unit, Budapest, Hungary; Lorenz M., Pediatric Pulmonology, Department of Paediatrics, Jena University Hospital, Friedrich-Schiller-University, Jena, Germany; Malone L.A., Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, United States, Department of Physical Medicine & Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD, United States, Kennedy Krieger Institute, Baltimore, MD, United States; McVoy M., Department of Pediatric Psychiatry, Rainbow Babies and Children’s Hospital, Cleveland, OH, United States; Miller D.W., Department of Pediatric Integrative Medicine, Rainbow Babies and Children’s Hospital, Cleveland, OH, United States; Morrow A.K., Department of Physical Medicine & Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD, United States; Nugawela M.D., UCL Great Ormond Street Institute of Child Health, London, United Kingdom; Oliveira C.R., Department of Pediatrics, Division of Infectious Diseases & Global Health, Yale University School of Medicine, New Haven, CT, United States; Oliveira P.R.S., Institute of Biology, Federal University of Bahia, Salvador, Brazil; Osmanov I.M., ZA Bashlyaeva Children’s Municipal Clinical Hospital, Moscow, Russian Federation, Pirogov Russian National Research Medical University, Moscow, Russian Federation; Overmars I.M., Department of Infection and Immunity, Murdoch Children’s Research Institute, Royal Children’s Hospital Melbourne, Melbourne, VIC, Australia; Paintsil E., Department of Pediatrics, Division of Infectious Diseases & Global Health, Yale University School of Medicine, New Haven, CT, United States; Pinto Pereira S.M., Division of Surgery & Interventional Science, University College London, London, United Kingdom; Prawira Y., Department of Child Health, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Putri N.D., Department of Child Health, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Ramos R.C.F., Hospital Universitário Oswaldo Cruz, Pernambuco, Recife, Brazil; Rasche M., Pediatric Pulmonology, Department of Paediatrics, Jena University Hospital, Friedrich-Schiller-University, Jena, Germany; Ryd-Rinder M., Pediatric Emergency Care, Astrid Lindgren Children Hospital, Karolinska University Hospital, Stockholm, Sweden; De Rose C., Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Samitova E., ZA Bashlyaeva Children’s Municipal Clinical Hospital, Moscow, Russian Federation, Russian Medical Academy of Continuous Professional Education of the Ministry of Healthcare of the Russian Federation, Moscow, Russian Federation; Jovanović T.S., Intensive Care Unit, Srebrnjak Children’s Hospital Zagreb, Zagreb, Croatia; Say D., Department of Infection and Immunity, Murdoch Children’s Research Institute, Royal Children’s Hospital Melbourne, Melbourne, VIC, Australia; Scott J.T., Department of Infectious Disease, MRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom; Shachar-Lavie I., Department of Psychological Medicine, Schneider Children’s Medical Center, Petach Tikva, Israel; Shafran R., UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom; Shmueli E., Pulmonary Institute, Schneider Children’s Medical Center, Tel Aviv, Petach Tikva, Israel; Snipaitiene A., Department of Pediatrics, Lithuanian University of Health Sciences Hospital KaunoKlinikos, Kaunas, Lithuania; Stephenson T., UCL Great Ormond Street Institute of Child Health, University College Hospital & Great Ormond Street Hospital, London, United Kingdom; Ténai N., Pediatric Center, MTA Center of Excellence, Semmelweis University, Bókay Unit, Budapest, Hungary; Tosif S., Department of General Medicine, Murdoch Children’s Research Institute, Royal Children’s Hospital Melbourne, Melbourne, Australia; Turkalj M., Department of Pulmonology, Allergy and Immunology, Srebrnjak Children’s Hospital, Zagreb, Croatia, Medical School, Catholic University of Croatia, Zagreb, Croatia; Valentini P., Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Vasconcelos L.R.S., Hospital Universitário Oswaldo Cruz, Pernambuco, Recife, Brazil, Aggeu Magalhães Institute, Oswaldo Cruz Foundation, FIOCRUZ-PE, Recife, Brazil; Villard L., Medical Unit Occupational Therapy and Physiotherapy, Function Allied Health Professionals, Karolinska University Hospital, Stockholm, Sweden; Vilser D., Clinic for Pediatric and Adolescent Medicine Neuberg/Ingolstadt AMEOS Hospital Association, Neuberg, Germany; Hashimoto S., Department of Pediatric Pulmonology, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands, Department of Pulmonary Medicine, Amsterdam Institute for Infection and Immunology, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands; Terheggen-Lagro S.W.J., Department of Pediatric Pulmonology, Emma Children’s Hospital, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands