Proceedings to the 2020 Online Conference of the Particle Therapy Cooperative Group (PTCOG2020Online): 13-14 September 2020Organized by the Particle Therapy Cooperative Group (PTCOG), this special online meeting featured abstracts and programs that enabled the communication and cross fertilization for which PTCOG meetings are known

2020年粒子治疗合作组在线会议论文集（PTCOG2020Online）：2020年9月13-14日。本次特别的在线会议由粒子治疗合作组（PTCOG）组织，会议内容包括摘要和专题讨论，促进了PTCOG会议一贯的交流与合作。