Institution: | Department of Clinical Laboratory Medicine, Sapporo Medical University School of Medicine, South-1 West-16, Chuo-ku, Sapporo 060-8543;First Department of Surgery, Sapporo Medical University School of Medicine, South-1 West-16, Chuo-ku, Sapporo 060-8543;First Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-16, Chuo-ku, Sapporo 060-8543 |