JE conceived, designed, and coordinated the review. He was in charge of data collection and worked with PJE to develop search strategies. He assisted LS in entering data into RevMan and was involved in the interpretation and data analysis. He principally authored the review.
LC assisted in the data collection and interpretation. She screened search results and helped organize, appraise, and abstract data from retrieved papers. She wrote to the authors of papers for additional information and queried experts in the field for unpublished work. She assisted in the writing of the review and provided critical feedback.
VM helped conceive, design, and coordinate the review. He was involved with interpretation of the data and writing of the review.
KS was involved with the interpretation of the data and provided a methodological and clinical perspective of the behavioral interventions.
PE developed the search strategies and completed all of the searches.
LD assisted with data interpretation, oversaw the project, and provided methodological and clinical perspectives on the pharmacotherapy trials.
LS managed the data for the review and entered data into RevMan. She interpreted the data and contributed to the text.