Peer-to-peer systems have gained a lot of attention as information sharing systems for the widespread exchange of resources and voluminous information that is easily accessible among thousands of users. However, current peer-to-peer information sharing systems work mostly on wired networks. With the growing number of communication-equipped mobile devices that can self-organize into infrastructu...

background: more than 36 % of the total population of iran consists of young people aged 15 to 25 yr. recent studies show that this age group has the highest rate of serious health problems. youth participatory studies on youth health priority have shown that mental health is one of the most important priorities in youth health. aim to assessing the mental health needs of youth we conducted a p...

All the research projects discussed here were conducted in collaboration with either one of two independent research agencies based in the UK, GfkNOP or Illuminas. This discussion will draw upon three key studies. A qualitative study composed of focus groups and teledepth interviews completed in 2003–2004 which delved into the motivations and perceptions towards peer review specifically the opi...

Background and Purpose: One landmark of adolescence is the increasing value young people place on friendship and relationship with peers.The aim of this study was to determine adolescents and key informants’ perceptions and experiences regarding to importance of peer groups. Methods: Sixty-seven female adolescents (12–19 years) and 11 key informants, recruited from urban and rural areas from S...

    Background: Despite the advantages of dual peer mentoring, there are a few reports of implementing and evaluating such programs for medical students. This study aimed at exploring the perceptions of mentors and mentees about the dual peer mentoring program for the first year undergraduate medical students of Tehran University of Medical Sciences.    Methods: This...