affiliation not provided to SSRN, Nagasaki University, University of Occupational and Environmental Health, University of Occupational and Environmental Health, Osaka City General Hospital, Fujita Health University, Hokkaido University, affiliation not provided to SSRN, Saga University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of the Ryukyus, affiliation not provided to SSRN, Fukuoka University Chikushi Hospital, Kanazawa Medical University, National Hospital Organization Ureshino Medical Center, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Nagasaki University - Department of Respiratory Medicine