Department of Hematology, Rigshospitalet, Copenhagen, Denmark

Lars Klingen Gjærde

Hematoscope Lab, Comprehensive Cancer Center & Center of Diagnostics, Helsinki University Hospital, Helsinki, Finland

Oscar Brück

Department of Oncology, University of Helsinki, Helsinki, Finland

Oscar Brück

Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Nico Gagelmann & Kristin Rathje

2nd Propedeutic Department of Internal Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece

Eleni Gavriilaki

Department of Pharmacology, Oslo University Hospital, Oslo, Norway

Marit Inngjerdingen

Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland

Mikko Keranen

Department of Hematology, Oncology and Radiation Physics, Skane University Hospital, Lund, Sweden

Annika Kisch & Sebastian Van Veen

Department of Health Sciences, Lund University, Lund, Sweden

Annika Kisch

Department of Hematology, Oslo University Hospital, Oslo, Norway

Anders Eivind Myhre

Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy

Attilio Olivieri

Department of Hematology, Ospedali Riuniti di Ancona, Ancona, Italy

Attilio Olivieri

Department of Hematology, University Hospital Virgen del Rocio, Instituto de Biomedicina de Sevilla (IBIS), CSIC, Universidad de Sevilla, Sevilla, Spain

Jose Antonio Perez-Simon

Institute of Human Genetics, Faculty of Medicine, University of Belgrade, Belgrade, Serbia

Dijana Perovic

Institute for Microbiology and Immunology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia

Vladimir Perovic

Department of Hematology and Transplantology, University Clinical Center, Medical University of Gdańsk, Gdańsk, Poland

Agnieszka Piekarska

Division of Hematology, Department of Internal Medicine, University Hospital Centre Zagreb, Zagreb, Croatia

Drazen Pulanic

University of Zagreb School of Medicine, Zagreb, Croatia

Drazen Pulanic

Service d’Hématologie, Institut Roi Albert II, Cliniques Universitaires Saint-Luc, Brussels, Belgium

Guillaume Dachy

RM Gorbacheva Research Institute, Pavlov University, St. Petersburg, Russian Federation

Ivan Moiseev

Department for Haematology, Oncology and Tumorimmunology, Charité Universitätsmedizin Berlin, Berlin, Germany

Olaf Penack

Department of Hematology, University Hospital Centre Rijeka, Rijeka, Croatia

Zinaida Peric

Division of Hematology, Medical University Graz, Graz, Austria

Hildegard Greinix

Fred Hutchinson Cancer Center, Seattle, WA, USA

Stephanie J. Lee

Department of Internal Medicine III, University Hospital Regensburg, Regensburg, Germany

Daniel Wolff

Department of Hematology, University Hospitals Leuven, Leuven, Belgium

Hélène Schoemans

Department of Public Health and Primary Care, ACCENT VV, KU Leuven - University of Leuven, Leuven, Belgium

Hélène Schoemans

LKG designed the study, coordinated the translation and formatting work, and wrote the paper supervised by HS. OB, NG, EG, MI, MK, AK, AEM, AO, JAPS, DP, VP, AP, DP, KR, and SVV aided in providing and checking the (reverse-)translations of the Lee cGvHD Symptom Scale. GD provided support to make the translations available through the www.gvhd.eu website. All authors revised the manuscript and accepted the final version of the paper.