Takashi Oshio1, Maki Umeda2. 1. Institute of Economic Research, Hitotsubashi University, 2-1 Naka, Kunitachi-shi, Tokyo, 186-8603, Japan. oshio@ier.hit-u.ac.jp. 2. Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan.
After publication of the article [1], it has been brought to our attention that the information given regarding the availability of data and materials is incorrect. The section should read “The use of J-SHINE data is to be approved by the data control committee of the J-SHINE researcher group by request”.