Natural language processing system for rapid detection and intervention of mental health crisis chat messages. - Akshay Swaminathan; Iván López; Rafael Antonio Garcia Mar; Tyler Heist; Tom McClintock; Kaitlin Caoili; Madeline Grace; Matthew Rubashkin; Michael N. Boggs; Jonathan H. Chen; Olivier Gevaert; David Mou; et al. (npj Digit. Medicine, 2023)