According to an exemplary embodiment, a data management system for patient data includes a first component, a second component, and a container application. The first base station receives a result of the measurement for the designated second base station. The mobile application may also provide travel information and secure communication to each user of the group of users, wherein the group of users may be restricted based on the travel transaction. According to an alternative embodiment of the invention, a portable electronic device is used to query and collect data from the subject. Coils 57, 58 are disposed on air-core bobbins 55, 56, which are threaded by the lead wires 53, 54.