Correction to: Novel quantitative and objective structured assessment of technical skill for slip knotting

Affiliations

• ¹ The committee of The Japanese Society for Cardiovascular Surgery Under-Forty, 2-26-9, Hongou, Bunkyo-ku, Tokyo, 113-0033, Japan. [email protected].
• ² The committee of The Japanese Society for Cardiovascular Surgery Under-Forty, 2-26-9, Hongou, Bunkyo-ku, Tokyo, 113-0033, Japan.