Front. Med. Frontiers in Medicine Front. Med. 2296-858X Frontiers Media S.A. 10.3389/fmed.2017.00038 Medicine Correction Corrigendum: Ankylosing Spondylitis Patients Have Impaired Osteoclast Gene Expression in Circulating Osteoclast Precursors Perpétuo Inês P. 1 * Caetano-Lopes Joana 1 Vieira-Sousa Elsa 1 2 Campanilho-Marques Raquel 1 2 Ponte Cristina 1 2 Khmelinskii Nikita 2 Canhão Helena 3 Ainola Mari 4 Fonseca João E. 1 2 1Rheumatology Research Unit, Faculdade de Medicina, Instituto de Medicina Molecular, Universidade de Lisboa, Lisboa, Portugal 2Rheumatology Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, EPE, Lisbon Academic Medical Centre, Lisboa, Portugal 3EpiDoC Unit, Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal 4Musculoskeletal Diseases and Inflammation Research Group, Biomedicum Helsinki 1, Faculty of Medicine, Institute of Clinical Medicine, University of Helsinki, Helsinki, Finland

Edited and Reviewed by: Xenofon Baraliakos, Ruhr-University Bochum, Germany

 *Correspondence: Inês P. Perpétuo, ines.perpetuo@gmail.com

Specialty section: This article was submitted to Rheumatology, a section of the journal Frontiers in Medicine

 12 04 2017 2017 4 38 12 03 2017 21 03 2017 Copyright © 2017 Perpétuo, Caetano-Lopes, Vieira-Sousa, Campanilho-Marques, Ponte, Khmelinskii, Canhão, Ainola and Fonseca. 2017 Perpétuo, Caetano-Lopes, Vieira-Sousa, Campanilho-Marques, Ponte, Khmelinskii, Canhão, Ainola and Fonseca

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 A corrigendum on Ankylosing Spondylitis Patients, Have Impaired Osteoclast Gene Expression in Circulating Osteoclast Precursors by Perpétuo IP, Caetano-Lopes J, Vieira-Sousa E, Campanilho-Marques R, Ponte C, Khmelinskii N, et al. Front Med (2017) 4:5. doi: 10.3389/fmed.2017.00005 monocytes osteoclasts ankylosing spondylitis CSF1R RANK NFATc1 gene expression humans

In the original article, the name of the author Nikita Khmelinskii was missing by mistake. The authors apologize for this oversight.

New Author Contribution Statement:

Conceived and designed the experiments: IP, JC-L, HC, MA, and JF. Performed the experiments: IP and JC-L. Analyzed the data: IP, JC-L, RC-M, CP, NK, EV-S, and HC. Contributed reagents/materials/analysis tools: IP, RC-M, CP, EV-S, NK and HC. Wrote, reviewed, and accepted the final version of the paper: IP, JC-L, RC-M, CP, EV-S, NK, HC, MA, and JF.

These errors do not change the scientific conclusions of the article in any way.

The original article has been updated.

Conflict of Interest Statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.