University of Leiden, Netherlands

Jagiellonian University, Poland

The University of Toledo, USA

Uppsala University, Sweden

The University of Sydney, Australia

Ulm University Medical Center, Germany

University of Zürich, Switzerland

University of Maryland Baltimore, USA

University of Aarhus, Denmark

Harvard Medical School and Beth Israel Deaconess Medical Center, USA

University Hospital Tübingen, Germany

Massachusetts General Hospital, USA

Karolinska Institutet, Sweden

University of Wisconsin – Madison, USA

Universität Basel, Switzerland