Machine summary:
The related sub- ject matters that are covered in this issue include: 1- Development of a community - based care system model for senior citizens in Tehran 2- Prediction of risk of falling among institutionalized elderly peo- ple in Iran 3- Employment status of elderly people refering to social security organization of Tehran city 4- Responding to the needs of an aged population, and readers will find in this issue also articles under the title of: An introduction to Razi psychiatry hospital and Psychological Rehabilitation Techniques and sport injury.
By considering such reality, this issue is mostly prepared for elderly matters and I hope it will be useful and informative reference for profes- sionals , researchers and others who are interested about elderly people.
On behalf of IRJ Editorial Advisory Board, I express my thanks and grat- itude to the writers and reviewers of articles published in this issue for their contribution.