1. The Japanese Society for Cardiovascular Surgery, Surgical Doctor Activity Support Committee and Gender Equality WG
2. Department of Cardiac and Vascular Surgery, Dokkyo Medical University School of Medicine
3. Department of Cardiac Surgery, Nagoya University Graduate School of Medicine
4. Department of Cardiovascular Surgery, National Hospital Organization Kyushu Medical Center
5. Department of Cardiovascular Surgery, Fukushima Medical University
6. The Japanese Society for Cardiovascular Surgery