Correction to: J Echocardiogr (2017) 15:57–66 https://doi.org/10.1007/s12574-016-0321-5

The original version of this article unfortunately contained a mistake. The conflict of interest statement was missing in the article. The CoI statement is given below.

Conflict of interest All authors are employees at Hitachi, Ltd. at the time of publication. Hitachi was involved in all aspects of this report, including the study design, collection, analysis and interpretation of data, and writing of this report.