University of Hannover, Germany

University of Bristol, United Kingdom

Oxford University, United Kingdom

University of Rochester, U.S.A

University of Santiago, Spain

University of Coimbra, Portugal

Utrech hospital, The Netherlands

Santa Casa de Sao Paulo School of Medical Sciences, Brasil

University Children’s Hospital Zurich, Switzerland

WHO Europe, Denmark

Ben-Gurion University, Israel

Public Health England, United Kingdom

University of Copenhguen, Denmark