van Dulmen, S. ., Sluijs, E. ., van Dijk, L. ., de Ridder, D. ., Heerdink, R. ., Bensing, J. ., & Patient, A. I. E. F. on. (2008). Furthering patient adherence: a position paper of the international expert forum on patient adherence based on an internet forum discussion. BMC Health Services Research, 8, 47. https://doi.org/10.1186/1472-6963-8-47 (Original work published 2008)