“…The target population of this study consists of all undergraduate students and medical, dentistry and pharmacy students who enrolled at Tabriz University of Medical Sciences in 2014 (N = 645). The distribution of students in each discipline are listed as follows: medicine (106), dentistry (59), pharmacy (59), nursing (39), midwifery (30), occupational health (28), environmental health (26), public health (21), nutrition (24), information technology (27), anesthetics (30), radiology (44), management of health services (21), speech therapy (20), physiotherapy (22), occupational therapy (20), and operating room (26). The inclusion criteria were: age under 25 years, enrolled students, enrolled in a bachelor's degree or a medical, dentistry or pharmacy program, willingness to participate, and willingness to take part in the follow up.…”