Erratum to: Heart Vessels DOI 10.1007/s00380-013-0347-9

Unfortunately, the author’s affiliation was published incorrectly in the original article. The correct affiliation of the first and corresponding author (Hiromasa Katoh) is given below:

Division of Cardiology, Department of Internal Medicine, Yokohama Sakae Kyosai Hospital, Federation of National Public Service Personnel Mutual Associations, Yokohama and Division of Cardiovascular Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan.