1 Department of Nephrology, Faculty of Medicine, University of Tsukuba, 1‑1‑1 Tennodai, Tsukuba, Ibaraki, 305‑8575, Japan. k-yamaga@md.tsukuba.ac.jp.
2 Department of Nephrology, Faculty of Medicine, University of Tsukuba, 1‑1‑1 Tennodai, Tsukuba, Ibaraki, 305‑8575, Japan.
3 Department of Human Resource Development of Dialysis Therapy for Kidney Disease, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
4 Department of Nephrology, Internal Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan.
5 Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.
In the Original publication of the article, the text in the horizontal axis in Fig. 1a and b appears incorrectly as "Time from treatment start (Months)".