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Prevention Science

, Volume 14, Issue 2, pp 199–199 | Cite as

Erratum to: Subgroups Analysis when Treatment and Moderators are Time-varying

  • Daniel Almirall
  • Daniel F. McCaffrey
  • Rajeev Ramchand
  • Susan A. Murphy
Erratum

Erratum to: Prev Sci

DOI 10.1007/s11121-011-0208-7

The development of this article was funded by the following grants: R01DA015697 (PI: McCaffrey), R01MH080015 (PI: Murphy), and P50DA010075 (PI: Murphy).

It was also supported by the Center for Substance Abuse Treatment (CSAT), Substance Abuse and Mental Health Services Administration (SAMHSA) contract #270-07-0191 using data provided by the following grantees: Cannabis Youth Treatment (Study: CYT; CSAT/SAMHSA contracts #270-97-7011, #270-00-6500, #270-2003-00006 and grantees: TI-11317, TI-11321, TI-11323,TI-11324), Adolescent Treatment Model (Study: ATM: CSAT/SAMHSA contracts #270-98-7047, #270-97-7011, #277-00-6500, #270-2003-00006 and grantees: TI-11894, TI-11892, TI-11422, TI-11423, TI-11424, TI-11432), the Strengthening Communities Youth (Study: SCY; CSAT/SAMHSA contracts #277-00-6500, #270-2003-00006 and grantees: TI-13344, TI-13354, TI-13356), and Targeted Capacity Expansion (Study: TCE; CSAT/SAMHSA contracts #270-2003-00006, #270-2007-00004C, and #277-00-6500 and grantee TI-16400). The authors thank these grantees and their participants for agreeing to share their data to support the secondary data analysis to illustrate the methodology. The opinions about this data are those of the authors and do not reflect official positions of the government or individual grantees. Please direct correspondence to Daniel Almirall, PhD, dalmiral@umich.edu, 734-936-3077.

Copyright information

© Society for Prevention Research 2012

Authors and Affiliations

  • Daniel Almirall
    • 1
  • Daniel F. McCaffrey
    • 2
  • Rajeev Ramchand
    • 3
  • Susan A. Murphy
    • 4
  1. 1.Institute for Social ResearchUniversity of MichiganAnn ArborUSA
  2. 2.RAND Corporation’s Pittsburgh OfficePittsburghUSA
  3. 3.RAND Corporation’s Washington, DC OfficeWashingtonUSA
  4. 4.Department of Statistics and Institute for Social ResearchUniversity of MichiganAnn ArborUSA

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