Treating posttraumatic stress disorder at home in a single week using 1-week virtual massed cognitive processing therapy.

"All other authors declare that they have no competing interests."

"Funding for this research was provided by Philip Held's career development award from the National Institute of Health's National Center for Advancing Translational Sciences (KL2‐TR002387). Philip Held also receives grant support from the Wounded Warrior Project and RTI International. Niranjan Karnik is supported, in part, by the National Center for Advancing Translational Science (UL1‐TR002389, KL2‐TR002387), National Institute on Mental Health (R01‐MH117168), National Institute on Alcohol Abuse and Alcoholism (R24‐AA026801), National Institute on Drug Abuse (R01‐DA041071, UG1‐DA049467, R01‐DA051464), and Substance Abuse Mental Health Services Administration (H79‐SM082299). Debra Kaysen is supported, in part, by the Patient‐Centered Outcomes Research Institute (PTSD‐2019C1‐15636), Department of Defense (W81XWH‐17‐1‐0002), National Institute on Minority Health and Health Disparities (R01‐MD011574), National Institute on Alcohol Abuse and Alcoholism (R01‐AA027499), National Institute on Mental Health (P50MH115837), and the National Center for PTSD, VA Palo Alto Health Care System. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health, Veterans Administration, Wounded Warrior Project, or any other funding agency."