A polymer compound, is provided in which at least a part of repeating units has a group containing a carbon cluster structure. Typically, the forwarded call was initially an incoming call from a caller to the user and thereafter forwarded to a remote service system, such as a remote messaging system. The selected modality is applied to the patient and its suitability is assessed with the result of the assessment feedback to the algorithm to generate a refined output design, which is applied to the patient.