Kanagawa University of Human Services - Department of Liberal Arts and Human Development, Dokkyo Medical University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Dokkyo Medical University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Dokkyo Medical University, Dokkyo Medical University - Department of Cardiac and Vascular Surgery, affiliation not provided to SSRN, affiliation not provided to SSRN, Dokkyo Medical University, Dokkyo Medical University, Dokkyo Medical University and Dokkyo Medical University