University of Leeds

Professor of Medicine, UCLA

Hacettepe University Medical School

Kinderspital Zentralschweiz, Luzerner Kantonsspital, University of Luzern

Associate Professor of Pediatrics

Professeur titulaire, Université de Montréal

Chang Gung Memorial Hospital

University of Florida College of Medicine, Jacksoville

associate professor, university of barcelona

National Taiwan University Hospital