Matsuda, Takashi
Masuko, Hironori
Ozawa, Yu
Shigemasa, Rie
Kitazawa, Haruna
Yatagai, Yohei
Hizawa, Nobuyuki
Article History
Received: 12 August 2025
Accepted: 23 January 2026
First Online: 29 January 2026
Declarations
:
: The authors declare no competing interests.
: This study was approved as part of the research project titled “Genetic Predisposition to Inflammatory Obstructive Pulmonary Diseases” (a human genome and gene analysis research project) by the Institutional Review Boards (IRBs) of the University of Tsukuba (IRB No. 136-4) and the University of Tsukuba Hospital (IRB No. H29-294).
: Written informed consent was obtained from all participants, and all procedures were conducted in accordance with the Ethical Guidelines for Human Genome/Gene Analysis Research established by the three ministries of the Japanese government.