1. Center for Palliative Care and Clinical Ethics, Seoul National University Hospital, Seoul, Korea.
2. Center for Integrative Care Hub, Seoul National University Hospital, Seoul, Korea.
3. Department of Pediatrics, Yonsei University Severance Children’s Hospital, Seoul, Korea.
4. Department of Psychiatry, Chungnam National University Hospital, Daejeon, Korea.
5. Department of Psychiatry, Chungnam National University College of Medicine, Daejeon, Korea.
6. Department of Pediatrics, Seoul National University Hospital, Seoul, Korea.
7. Department of Psychiatry, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.