Hospital Universitario La Paz, Universidad Autónoma de Madrid
Madrid, Spain

AO Research Institute Davos
Davos, Switzerland

Luxembourg Institute of Health
Luxembourg City, Luxembourg

Stanford University
Stanford, CA, USA

Uppsala University Hospital
Uppsala, Sweden

Hôpital Henri Mondor, Université Paris-Est Créteil
Créteil, France

University General Hospital of Larissa, University of Thessaly
Larissa, Greece

Sahlgrenska University Hospital, University of Gothenburg
Gothenburg, Sweden

West Virginia University
Morgantown, USA

Hôpital Lariboisière, Université Paris Cité
Paris, France

Mayo Clinic
Rochester, MN, USA

Osaka University
Osaka, Japan

Università Campus Bio-Medico di Roma
Rome, Italy

Memorial Sloan Kettering Cancer Center
New York, USA

IRCCS Istituto Ortopedico Galeazzi
Milan, Italy

Icahn School of Medicine at Mount Sinai
New York, USA

King’s College London
London, UK

University Hospital Würzburg
Würzburg, Germany

University of Minho
Guimarães/Porto, Portugal

Aesculap AG
Tuttlingen, Germany

AO Research Institute Davos
Davos, Switzerland

Oregon Health & Science University
Portland, USA

Trinity College Dublin
Dublin, Ireland

University Medical Center Utrecht
Utrecht, Netherlands

University of Oulu
Oulu, Finland

Maastricht University Medical Center+
Maastricht, Netherlands

Trinity College Dublin
Dublin, Ireland