Robotic sample changers for macromolecular X-ray crystallography and biological small-angle X-ray scattering at the National Synchrotron Light Source II. Corrigendum oleh Edwin O. Lazo, Stephen Antonelli, Jun Aishima, Herbert J. Bernstein, Dileep Bhogadi, Martin R. Fuchs, Nicolas Guichard, Sean McSweeney, Stuart Myers, Kun Qian, Dieter Schneider, Grace Shea-McCarthy, John Skinner, Robert Sweet, Lin Yang, Jean Jakoncic