Addendum: Mechanical regulation of cell function with geometrically modulated elastomeric substrates

Nat. Methods 7, 733–736 (2010); published online 1 August 2010; addendum published after print 28 January 2011.

In the version of this article initially published, the implication that it was the first work to decouple substrate rigidity from surface properties was incorrect, as we and others had previously reported the approach. Additional reference to previous work on micropost arrays also should have been included¹. Our fabrication process, in which micropost arrays are doubly replica molded from microfabricated silicon masters, scales up production of these substrates and allows replication and distribution of disposable molds to potential users.