Author Correction: Validation of Clinical Treatment Score post-5 years (CTS5) risk stratification in premenopausal breast cancer patients and Ki-67 labelling index
Sci Rep. 2021 Mar 8;11(1):5415.
doi: 10.1038/s41598-021-84773-x.
1 Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, 712 Eonjuro, Gangnam‑gu, Seoul, 06273, Republic of Korea.
2 Department of Surgery, Sacred Heart Hospital, Hallym University, Dongtan, Republic of Korea.
3 Department of Surgery, Hanyang University College of Medicine, Seoul, Republic of Korea.
4 Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, 712 Eonjuro, Gangnam‑gu, Seoul, 06273, Republic of Korea. asg2004@yuhs.ac.
5 Department of Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
6 Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, 712 Eonjuro, Gangnam‑gu, Seoul, 06273, Republic of Korea. gsjjoon@yuhs.ac.