BibTex format
@article{Hübner:2020:10.2196/preprints.25973,
author = {Hübner, S and Haijen, E and Kaelen, M and Carhart-Harris, RL and Kettner, H},
doi = {10.2196/preprints.25973},
title = {Turn on, Tune in, and Drop out: Predictors of Attrition in a Prospective Observational Cohort Study on Psychedelic Use (Preprint)},
url = {http://dx.doi.org/10.2196/preprints.25973},
year = {2020}
}