A system includes a strap made using a layer of resilient and pliant material such as neoprene. The carrier may include, for example, a back support, and first and second legs extending from the back support. The contract comprises the following requirements. The significance of employing seven patient or image features is that statistically, seven features are the most practical based on the unique implementation of statistical analysis. Methods include encoding module name, version numbers, date, language, and OEM information into the filename; one alphanumeric-character version number and two-character language code; configuration file and automatic generation of Config information; printing device driver with major and minor version numbers; and date encoding for files that are updated more frequently than version updates.