Takeuchi, Takashi
Ichikura, Kanako
Amano, Kanako
Takeshita, Wakana
Hisamura, Kazuho
Article History
Received: 29 December 2017
Accepted: 28 May 2018
First Online: 8 June 2018
Ethics approval and consent to participate
: While this study is a secondary analysis using composite data from surveys on social problems of patients and their spouses, each survey was approved by the Ethics Committee of Tokyo Medical and Dental University Medical Hospital.
: The authors declare that they have no competing interests.
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