Working paper that can be viewed online here - https://psyarxiv.com/9yqs8/?utm_source=Active+patients+2.28.20+plus+old+OP+contacts&utm_campaign=2cf174c826-EMAIL_CAMPAIGN_2019_09_25_07_04_COPY_01&utm_medium=email&utm_term=0_1c10fe2971-2cf174c826-71403860