In a method of correlating information relating to message in a SIP session, a first SIP message that includes a first IMS Charging Identifier, ICID, is received. The image display device is provided at a location where an operator who performs a repair work can watch the image displayed on the image display device, and the input device is provided at a location where the operator can operate the input device. The holding member is thereby coupled with the rotary shaft. Apparatus for implementing the method according to the invention is, furthermore, disclosed. Methods of using such formulations, including a method of preventing or treating an infection caused by a bacterial, a microbial, a sporal, a fungal or a viral activity, are also disclosed.