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