The “Outcome Reporting in Brief Intervention Trials: Alcohol” [ORBITAL] framework: Protocol to determine a core outcome set for efficacy and effectiveness trials of alcohol screening and brief intervention

Gillian Shorter, Nick Heather, Jeremy Bray, Emma Giles, Aisha Holloway, Caroline Barbosa, Anne H. Berman, Amy O'Donnell, Mike Clarke, Kelly Stockdale, Dorothy Newbury-Birch