- Received October 05, 2010, and in revised form November 16, 2010.
- Accepted for publication December 14, 2010.
- Reprints: Juan Francisco Sanchez Muñoz-Torrero, MD, Servicio de Medicina Interna, Hospital San Pedro de Alcántara, Avda Pablo Naranjo s/n, Cáceres, Spain. E-mail: .
- This work has been partially funded by Boehringer Ingelheim. J.F. Sánchez received a grant from Pfizer.
- All authors have no conflicts of interest with this article.
- Author contributions: J.F.S. and J.Z. for design and conduct of this study; A.C., L.C., J.F., and J.M.F.T. for data collection; M.D.R. for analysis; and J.F.S. and J.Z. for data interpretation and writing.
- First published December 15, 2015.
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