Professor Emeritus, Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan

Visiting Professor, Center for Infectious Disease Epidemiology and Prevention Research, Tokyo University of Agriculture and Technology, Tokyo, Japan

Associate Professor, Department of Obstetrics and Gynecology, McGill University and Scientist, The Research Institute of the McGill University Health Centre Montreal, Quebec, Canada