Department of community health and primary care, College of Medicine, University of Lagos

PU-PH Histology, embryology, Université de Bordeaux

Department of Surgery, Washington University in St. Louis

Institute of Human Genetics, Jena, Germany

Distinguished Professor, Griffith University

Associate Professor and Researcher, Torrens university

Zhengzhou university

University of Tasmania, Menzies Institute for Medical Research

Kaohsiung Medical University

Professor Emeritus of Pediatrics, James H Quillen College of Medicine, ETSU