While moving towards a ubiquitous society where anyone can get information from anywhere at anytime, antennas are becoming a key component for cellular handsets and other portable wireless devices. Users of portable wireless devices want such devices to be of small volume, light weight, low cost, and working with the different worldwide communication standards. Due to enormous increase in the number of cellular handset users around the world, many questions are raised about the possible hazard effect of the cellular handset electromagnetic field (EMF) radiation. Thereby, health concerns...