Research Site, Volgograd, Russian Federation
Medical University of South Carolina, Charleston, South Carolina, United States
Duke University, Durham, North Carolina, United States
Faculty of medicine, Sohag, Egypt
Sohag university hospital, Sohag, Egypt
Sohag university, Sohag, Egypt
The first affiliated hospital of medical college of zhejiang university, Hangzhou, Zhejiang, China
University Kebangsaan Malaysia Medical Center, Bandar Tun Razak, Wilayah Persekutuan Kuala Lumpur, Malaysia
Research Site, Sao Paulo, Brazil