Erratum to: Eur J Nucl Med Mol Imaging

DOI 10.1007/s00259-010-1711-y

Due to a regrettable error in typesetting, Eq. 1 was rendered incorrectly. The correct form of the equation is as follows:

$$ \Delta {\hbox{x}} = {\hbox{c }}\Delta {\hbox{t}}/2 $$
(1)