RLL participated in the systematic literature search, panel member recruitment, drafting the surveys, and data collection and analysis.
Y-PL: Design, data collection, recruitment, drafting and revising the manuscript.
SOI is in charge of patient recruitment, drafting of the consent form and administration of the questionnaire, manuscript editing and input.
AES conceived of the study, assisted in patient recruitment, drafted, and edited the manuscript.
LMH carried out the systematic literature search, was involved in panel member recruitment, drafted the surveys, carried out the data collection and analysis, chaired the working group which discussed and modified the survey and guideline drafts, drafted the guidelines, and drafted the manuscript.
For the problem drinking study: LMH carried out the systematic literature search, was involved in panel member recruitment, drafted the surveys, carried out the data collection and analysis, chaired the working group which discussed and modified the survey and guideline drafts, drafted the guidelines, and drafted the manuscript.
For the problem drug use study: SJB carried out the systematic literature search, was involved in panel member recruitment, drafted the surveys, carried out the data collection and analysis, chaired the working group which discussed and modified the survey and guideline drafts, drafted the guidelines, and assisted with drafting of the manuscript.
GJ participated in recruitment, enrollment, drafting the manuscript and data collection.
LN participated in recruitment, enrollment, drafting the manuscript and data collection.
JJP and NvR participated in the design and coordination of the study, patient selection and recruitment and drafting the manuscript.
NP wrote the study protocol, coordinates the RCT, leads study recruitment, and drafted the manuscript.
