A recording system that includes a creating unit for creating an index file including a plurality of areas to each of which a unique identifier is assigned, and a recording unit for recording the index file on the recording medium. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which CGRP is involved. The picture image has a plurality of pixels. In PLN, the particle acts as a \u201cnano-lens,\u201d restricting laser light to the near-field of the particle, and only photodisrupting structures that are nanometers away. Vertical pressure is exerted on the drum skin and drum ring when the inner ring is rotated in a first direction relative to the outer ring.