About the Authors

Masashi Kitagawa

Contributed equally to this work with: Masashi Kitagawa, Ken-ei Sada, Norikazu Hinamoto

Roles Conceptualization, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

masa4_n_r@yahoo.co.jp

Affiliation Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Okayama, Japan

Ken-ei Sada

Contributed equally to this work with: Masashi Kitagawa, Ken-ei Sada, Norikazu Hinamoto

Roles Conceptualization, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Okayama, Japan

Norikazu Hinamoto

Contributed equally to this work with: Masashi Kitagawa, Ken-ei Sada, Norikazu Hinamoto

Roles Conceptualization, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Okayama, Japan

Miho Kimachi

Roles Data curation, Formal analysis, Investigation, Methodology, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan

Yosuke Yamamoto

Roles Data curation, Formal analysis, Investigation, Methodology, Resources, Software, Supervision, Validation, Writing – review & editing

Affiliation Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan

Yoshihiro Onishi

Roles Data curation, Formal analysis, Investigation, Methodology, Resources, Software, Supervision, Validation, Writing – review & editing

Affiliation Institute for Health Outcomes and Process Evaluation Research (iHope International), Kyoto, Kyoto, Japan

Shunichi Fukuhara

Roles Investigation, Resources, Supervision, Writing – review & editing

Affiliations Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan, Center for Innovative Research for Communities and Clinical Excellence, Fukushima Medical University, Fukushima, Fukushima, Japan

Competing Interests

Shunichi Fukuhara has acted as both a scientific advisor to and received grants from Kyowa Hakko Kirin. The other authors have no potential competing interests to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.