Author response to Comment on: Cytokines (IL1β, IL6, TNFα) and serum cortisol levels may not constitute reliable biomarkers to identify individuals with post-acute sequelae of COVID-19
1 Department of Neurology and Center for Translational and Behavioral Neurosciences, University Medicine Essen, University of Duisburg-Essen, Essen, Germany.
2 Clinical Chemistry - Division of Laboratory Research, Department of Endocrinology, Diabetes and Metabolism, University Medicine Essen, University of Duisburg-Essen, Essen, Germany.
3 Central Laboratory, University Medicine Essen, University of Duisburg-Essen, Essen, Germany.
4 Department of Neurology and Center for Translational and Behavioral Neurosciences, University Medicine Essen, University of Duisburg-Essen, Hufelandstraße 55, Essen 45147, Germany.