Zhang, L., Vijayan , S., Chan, M., Huang, S., Hipp, E., Song, Y., . . . Li, G. (2021). Commissioning of optical surface imaging systems for cranial frameless stereotactic radiosurgery. J Appl Clin Med Phys. 2021 May;22(5):182-190. doi: 10.1002/acm2.13240.