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Katsunori Sumi includes various programs, contributions and participation in different countries for diverse fields of study.He is the Editorial Board Member of Journal of Addiction Research & Therapy and serves as a member of various associations, apart from being an author for many books.
His research includes Temporal Stability of the Japanese Versions of the Flourishing Scale and the Scale of Positive and Negative Experience and wide range of publications in various national and international journals.
Katsunori Sumi and Akiko M Sumi
Research Article: J Psychol Psychother 2015, 5:180