title: Erratum to: Modified mallampati classification in determining the success of unsedated transesophageal echocardiography procedure in patients with heart disease: simple but efficient.
authors.affiliation: Queen Sirikit Heart Center of the Northeast, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand. jureerat2545@hotmail.com.
authors.forename: Jureerat
authors.initials: J
authors.lastname: Khongkaew
authors.affiliation: Department of Medicine, Division of Cardiology, Khon Kaen University, Khon Kaen, Thailand.
authors.forename: Dujdao
authors.initials: D
authors.lastname: Sahasthas
authors.affiliation: Queen Sirikit Heart Center of the Northeast, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.
authors.forename: Tharrittawadha
authors.initials: T
authors.lastname: Potat
authors.affiliation: Queen Sirikit Heart Center of the Northeast, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.
authors.forename: Phatchara
authors.initials: P
authors.lastname: Thammawirat