Table 1 List of participating centers of ASTRRA trial

Ajou University, School of Medicine

Cheil General Hospital and Women’s Healthcare Center, Dankook University College of Medicine

Chonbuk National University Medical School

Chonnam National University Hwasun Hospital

Chungnam National University Hospital

Chungbuk National University College of Medicine and Medical Research Institute

Daejeon St. Mary’s Hospital, The Catholic University of Korea

Dong-A University Hospital

Eulji University Hospital

Gachon University Gil Hospital

Gangnam Severance Hospital, Yonsei University

Hallym University Sacred Heart Hospital, College of Medicine, Hallym University

Inha University Hospital, Inha University

Inje University Busan Paik Hospital

Inje University Sanggye Paik Hospital, Inje University College of Medicine

KangDong sacred heart hospital, Hallym university

Kangseo Mizmedi Hospital

Keimyung University School of Medicine

Konkuk University School of Medicine

Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences

Korea University Anam Hospital

Mokdong Hospital, Ewha Womans University

Myongji Hospital

National Cancer Center

Samsung Medical Center, Sungkyunkwan University School of medicine

Seoul National University Boramae Medical Center

Seoul National University Hospital, Seoul National University College of Medicine

Seoul St. Mary’s Hospital, Medical College of The Catholic University of Korea

Soonchunhyang University College of Medicine, Cheonan Hospital

Soonchunhyang University Colleage of Medicine

Soonchunhyang University College of Medicine, Bucheon Hospital

Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital

University of Ulsan, Asan Medical Center

Yeungnam University Hospital

Yonsei University College of Medicine