A method for treating psoriasis of the skin of a patient employs topically applying to the affected skin a composition comprising at least one peptide copper complex. 5d or less wherein d is an average distance between the adjoining tracks measured in the direction perpendicular to the extending direction of the tracks, and an acceleration of the information recording medium in the perpendicular direction is 0. The portable timing device can include an adjustable timer for measuring and indicating a time interval since the last successful or unsuccessful attempt at using the toilet. Switching to the other amplifier may then be performed after the transmission has been interrupted.