transplantation among normal QTc before operation. (DOCX) Author Contributions Conceptualization: Seung-Hwa Lee, Jungchan Park. Data curation: Myungsoo Park, Jungchan Park, Jeayoun Kim, Suk-Koo Lee. Formal ... analysis: Gyu-Seong Choi, Suk-Koo Lee. Investigation: Seung-Hwa Lee, Myungsoo Park, Kyoung-min Park. Methodology: Myungsoo Park, Gyu-Seong Choi, Suk-Koo Lee, Gaab Soo Kim. Supervision: Kyoung-min Park, Gyu