In this, the final issue of 2008 witch contains two issues (7 and 8), I would like to take this opportunity to thank those people who have contributed so much of their time and expertise in the interest of maintaining the highly respected reputation of the Journal. The topics to be covered are multiple sclerosis, Parkinson’s disease, spinal cord regeneration, TBI, and functional outcome researc...

Learning statistics is a necessity for dental researchers. Due to daily dental science expansion, dental researchers have to study new papers in recent dental journals to remain up to date. On the other hand, knowing principles of statistics helps better understanding of the articles. Some authors revealed that knowledge of dentists about basic topics of statistics was poor. Therefore, in this ...

Article history: Received 16 October 2014 Received in revised form 8 May 2015 Accepted 30 June 2015 Available online 3 July 2015

A major application area of computer graphics is visualization, where computergenerated images are used to help people understand both spatial and non-spatial data. Visualization is used when the goal is to augment human capabilities in situations where the problem is not sufficiently well defined for a computer to handle algorithmically. If a totally automatic solution can completely replace h...

The onslaught of COVID 19 forced the closures schools, but upon their gradual reopening need for high quality substitute school teachers was at an all-time high. Although many districts were in well before pandemic struck, this disease illuminated fact that across nation short supply. In economic environment where other jobs may offer higher pay, more benefits, less stress, and professional res...