1Noor Ophthalmology Research Center, Noor Eye Hospital, Tehran, IR Iran 2Department of Epidemiology and Biostatistics, School of Public Health, International Campus, Tehran University of Medical Sciences, Tehran, IR Iran 3Department of Optometry, Mashhad University of Medical Sciences, Mashhad, IR Iran 4Department of Epidemiology, Faculty of Public Health, Shahid Beheshti University of Medical ...

BACKGROUND Hepatitis B virus (HBV) infection is the most common and serious liver infection in the world. An estimated 350 million people are chronic carriers of this virus, of whom, more than 620,000 die from liver-related diseases annually. Due to the vaccination program, prevalence of HBV, particularly among the younger generation, is reported to have declined in recent years in Iran. OBJE...

1Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran 2Department of Radiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran 3Department of Radiology Technology, Faculty of Para-Medical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran 4Department of Genetics, Science and Research Branch, Islamic Azad Univer...

Sina Ebrahimi, Alireza Ghoreifi, Behnam Shakiba, Arash Azaripour, Hamid Deldadeh, Amir Reza Elahian, Mazaher Hadi, Parvin Emadi, Hamed Rajaee, Mehdi Dehghani, Lily Nosraty. Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Urology Department, Mashhad University of Medical Sciences, Mashhad, Iran; Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, I...

Observation in Grounded Theory and Ethnography: What are the Differences? Tahereh Fathi Najafi, Robab Latifnejad Roudsari, Hossein Ebrahimipour, and Narjes Bahri PhD Student in Reproductive Health, Student Research Committee, Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, IR Iran Associated Professor, Evidence-Based Care Research Centr...

1. Vector-borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran 2. Dept. of Parasitology and Mycology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran 3. Dept. of Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran 4. Dept. of Virology, School of Public Health, Tehran University of Me...

1Infectious Diseases Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran 2Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran *Corresponding author: Seyed Hossein Shahcheraghi, Infectious Diseases Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran, Tel: + 98-9132531389; E-mail...

1Department of Mathematics, Islamic Azad University, Zahedan Branch, Zahedan, Iran 2Faculty of Sciences and Mathematics, University of Niš, Visegradska 33, 18000 Niš, Serbia 3Instituto de Matemáticas Multidisciplinar, Universitat Politècnica de València, 46022 Valencia, Spain 4Department of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad, Iran 5Depa...