About the Authors

Elin B. Strand

Roles Conceptualization, Data curation, Supervision, Writing – original draft

Affiliation Faculty of Health Studies, VID Specialized University, Oslo, Norway

Luis Nacul

Roles Conceptualization, Data curation, Methodology, Writing – original draft

Affiliation Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom

Anne Marit Mengshoel

Roles Conceptualization, Data curation, Writing – original draft

Affiliation Department of Health Sciences, Institute of Health and Society, University of Oslo, Oslo, Norway

Ingrid B. Helland

Roles Data curation, Writing – original draft

Affiliation Norwegian National Advisory Unit on CFS/ME, Division of Pediatrics, Rikshospitalet, Oslo University Hospital, Oslo, Norway

Patricia Grabowski

Roles Data curation, Writing – original draft

Affiliation Institute for Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany

Angelika Krumina

Roles Data curation, Writing – original draft

Affiliation Department of Infectiology and Dermatology, Riga Stradiņš University, Riga, Latvia

Jose Alegre-Martin

Roles Data curation, Writing – original draft

Affiliation CFS Unit, Institut de Recerca Vall d'Hebron, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain

Magdalena Efrim-Budisteanu

Roles Data curation, Writing – original draft

Affiliation Research Psychiatry Laboratory, “Alexandru Obregia” Clinical Hospital of Psychiatry, Bucharest, Romania

Slobodan Sekulic

Roles Data curation, Writing – original draft

Affiliation Department of Neurology, Medical Faculty Novi Sad, University of Novi Sad, Novi Sad, Serbia

Derek Pheby

Roles Methodology, Writing – original draft, Writing – review & editing

Affiliation Buckinghamshire New University, High Wycombe, United Kingdom

Giorgos K. Sakkas

Roles Data curation, Investigation, Writing – original draft

Affiliation Live Laboratory, School of PE and Sport Sciences, University of Thessaly, Thessaly, Greece

Carmen Adella Sirbu

Roles Investigation, Writing – original draft

Affiliation Neurology, Universitary Emergency Central Military Hospital, Bucharest, Romania

F. Jerome Authier

Roles Conceptualization, Supervision, Writing – review & editing

authier@u-pec.fr

Affiliation Reference Centre for Neuromuscular Diseases & INSERM U955-Team10, Henri Mondor University Hospital, Créteil, France

on behalf of the European Network on ME/CFS (EUROMENE)

Membership of the EUROMENE Network is provided in the Acknowledgment.

Competing Interests

The authors have declared that no competing interests exist.