1 Department of Cardiovascular Surgery, Dentistry Pharmaceutical Science, Okayama University School of Medicine, 2-5-1 Shikata-cho, Kita-ku, Okayama City, Okayama, 700-8558, Japan.
2 Department of Clinical Laboratory, Teraoka Memorial Hospital, Hiroshima, Japan.
3 Department of Internal Medicine, Teraoka Memorial Hospital, Hiroshima, Japan.
4 Department of Surgery, Teraoka Memorial Hospital, Hiroshima, Japan.
5 Department of Neurosurgery, Teraoka Memorial Hospital, Hiroshima, Japan.
6 Department of Cardiovascular Surgery, Dentistry Pharmaceutical Science, Okayama University School of Medicine, 2-5-1 Shikata-cho, Kita-ku, Okayama City, Okayama, 700-8558, Japan. ohzawa-s@cc.okayama-u.ac.jp.
7 Department of Surgery, Teraoka Memorial Hospital, Hiroshima, Japan. ohzawa-s@cc.okayama-u.ac.jp.