Funding for this research was provided by:
National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01 AR067789)
Text and Data Mining valid from 2018-10-31
Received: 16 May 2018
Revised: 27 August 2018
Accepted: 19 September 2018
First Online: 31 October 2018
Compliance with ethical standards
: The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.
: The scientific guarantor of this publication is José G Raya, PhD.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: One of the authors has significant statistical expertise.No complex statistical methods were necessary for this paper.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional Review Board approval was obtained.
: • prospective• case-control study• performed at one institution