We correct the omission of the construct and protein purification method in our recent paper [Biomed. Opt. Express 4(12), 2835-2845 (2013)].[This corrects the article on p. 2835 in vol. 4, PMID: 24409384.].
Keywords: (170.0170) Medical optics and biotechnology; (170.1420) Biology; (170.4520) Optical confinement and manipulation; (350.4855) Optical tweezers or optical manipulation.