Additional file 1.

Portable document format (PDF)-embedded, interactive three-dimensional (3D) model of a face. The 3D model was generated using an optical face scanner (FaceSCAN^3D, 3D-Shape GmbH, Erlangen, Germany). This system measures the 3D shape of an object in less than a second using projected light patterns and a set of cameras. Applications of this methodology may include, for example, before and after surgery comparisons and the documentation of dermatological or orthopaedic patient characteristics. Scanning was performed on a healthy male volunteer. Activation of the embedded multimedia content requires the use of a PDF reader compatible with version 1.7 Extension Level 3 (for example Adobe Reader 9). Use the '+/- zoom' or 'toggle full-screen' options in order to maximize window size.

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Ziegler et al. BMC Medicine 2011 9:17   doi:10.1186/1741-7015-9-17