Wakayama Medical University, Kansai Medical University, Osaka Medical and Pharmaceutical University, Osaka Medical and Pharmaceutical University, Osaka Medical and Pharmaceutical University, affiliation not provided to SSRN, affiliation not provided to SSRN, Kindai University, Kindai University, affiliation not provided to SSRN, Kyoto Prefectural University of Medicine, Kyoto Prefectural University of Medicine, Osaka Habikino Medical Center, National Hospital Organization Osaka National Hospital, National Hospital Organization Osaka National Hospital, Nara Medical University, Nara Medical University, Wakayama Medical University, Wakayama Medical University, Kansai Medical University, Kindai University, Shiga University of Medical Science, Shiga University of Medical Science, affiliation not provided to SSRN, affiliation not provided to SSRN, Kyoto University, affiliation not provided to SSRN, affiliation not provided to SSRN, Osaka Habikino Medical Center, The Tazuke Kofukai Medical Research Institute - Kitano Hospital and The Tazuke Kofukai Medical Research Institute - Kitano Hospital