Erratum to: The study of cardiovascular risk in adolescents--ERICA: rationale, design and sample characteristics of a national survey examining cardiovascular risk factor profile in Brazilian adolescents.

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Here we briefly present an update of the authorship list. After the publication of this study protocol [1], we became aware of the fact that the authors list was incomplete. This may have happened due to the large number of authors and also because some authors have the same first name. The list is now complete and some mistakes in co-authors names and affiliations were corrected. The updated Authors’ Contributions is as follows: KVB, MS, MCCK, CHK, MTLV, GAA, LAB, GVV and VCF have made substantial contributions to the conception and design of the study, drafted the manuscript and revised it critically. AD, AJPM, ALVB, ALLS, AMAO, BDS, CLO, CFC, DTG, DRB, DLBR, ELS, EBL, EF, ERAO, FAGV, GDA, GSB, GMD, HRCF, MIM, ICBG, JRFN, JSO, KMBC, LGOG, MMS, PTM, PCBVJ, PAMF, RMMJr, RQG, RPV, SMV, SSM, SMSM, TBLG, BMT, ESM and TLNS contributed to the conception and design of the study, and revised the manuscript. All authors read and approved the final manuscript. We apologize for all the inconvenience this correction may cause to the readers.