Correction to: Solubility enhancement of berberine–baicalin complex by the constituents of Gardenia Fruit

The article "Solubility enhancement of berberine–baicalin complex by the constituents of Gardenia Fruit ", written by Kazuki Okoshi, Yoshinori Uekusa, Yuji Narukawa, Fumiyuki Kiuchi, was originally published Online First without Open Access. After publication in volume 75, issue 1, page 76–83 the author decided to opt for Open Choice and to make the article an Open Access publication.