Department of Endocrinology University of Queensland, Australia
University of Surrey, UK
US Department of Veteran Affairs & US College of Charleston, USA
Department of Biomedical Physiology and Kinesiology Simon Fraser University, Canada
University of Massachusetts Medical School Medicine, USA
Medicine and Opthalmology , Boston University School of Medicine, USA
Department of Anesthesia Harvard Medical School, USA.
Department of Nutritional Sciences University of Connecticut, USA
Department of Internal Medicine III Medical University of Vienna, Austria
University of Szeged, Hungary
Chi-Mei Medical Center, Taiwan
Nippon Medical School, Japan
Yokohama City University, Japan
Myung Ho Jeong Chonnam National University Medical School, Korea.
Department of Biochemistry, Beni-Suef University, Egypt