University of Leiden, Netherlands

Jagiellonian University, Poland

University of Maryland Baltimore, USA

Uppsala University, Sweden

The University of Sydney, Australia

Ulm University Medical Center, Germany

University of Zürich, Switzerland

Harvard Medical School and Beth Israel Deaconess Medical Center, USA

University of Aarhus, Denmark

Massachusetts General Hospital, USA

University Hospital Tübingen, Germany

Universität Basel, Switzerland

University College Dublin, Irland

Karolinska Institutet, Sweden

University of Wisconsin – Madison, USA