Kramer Schmidt, L, Andersen, K, Nielsen, A S & Moyers, T B 2019, ' Lessons learned from measuring fidelity with the Motivational Interviewing Treatment Integrity code (MITI 4) ', Journal of Substance Abuse Treatment, vol. 97, pp. 59-67 . https://doi.org/10.1016/j.jsat.2018.11.004