Beschreibung:
<jats:p>This commentary is on the original article by Dale et al. on pages <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://dx.doi.org/10.1111/j.1469-8749.2012.04287.x">618‐623</jats:ext-link> of this issue</jats:p>