1 Department of Medical Science, University of Tokyo, Japan; Young Investigators' Collaborative Research Consortium (YICRC), Japan.
2 Young Investigators' Collaborative Research Consortium (YICRC), Japan; Department of Cardiovascular Surgery, The University of Tsukuba Hospital, Ibaraki, Japan.
3 Young Investigators' Collaborative Research Consortium (YICRC), Japan; National Center for Global Health and Medicine, Tokyo, Japan.
4 Young Investigators' Collaborative Research Consortium (YICRC), Japan; The University of Tokyo Hospital, Japan.
5 Division of General Internal Medicine, Department of Internal Medicine, Tokyo Medical University Ibaraki Medical Center, Japan.
6 Young Investigators' Collaborative Research Consortium (YICRC), Japan; Department of Cardiovascular Surgery, The University of Tsukuba Hospital, Ibaraki, Japan. Electronic address: shimoda.tomonari.em@ms.hosp.tsukuba.ac.jp.