1Department of Obstetrics and Gynecology, Thai Binh University of Medicine and Pharmacy, Thai Binh, 410000 Vietnam
2Online Research Club (http://www.onlineresearchclub.org/), Nagasaki, Japan
3Faculty of Medicine, Minia University, Minia, 61519 Egypt
4Faculty of Medicine, Al-Azhar University, Cairo, 11865 Egypt
5Nishtar Medical University, Multan, 60000 Pakistan
6Faculty of Medicine, Tanta University, Tanta, 31511 Egypt
7Istishari Hospital, Amman, 11953 Jordan
8Infectious Disease Division, Respiratory and Enteric Infections Department, International Center for Diarrheal Disease Research, Dhaka, GPO Box 128, Dhaka, 1000 Bangladesh
9School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, 00989156113915 Iran
10Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Leading Graduate School Program, and Graduate School of Biomedical Sciences, Nagasaki University, 1-12-4 Sakamoto, Nagasaki, 852-8523 Japan
11Evidence Based Medicine Research Group, Ton Duc Thang University, Ho Chi Minh City, 70000 Vietnam
12Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, 70000 Vietnam