Erratum for Yun et al., “Risk factors for vancomycin treatment failure in heterogeneous vancomycin-intermediate Staphylococcus aureus bacteremia - Ji Hyun Yun; Euijin Chang; Seongman Bae; Jiwon Jung; Min Jae Kim; Yong Pil Chong; Sung-Han Kim; Sang-Ho Choi; Sang-Oh Lee; Yang Soo Kim (Microbiology Spectrum)