**Author details**

Jean Jeanov Filipov1,2\* and Emil Paskalev Dimitrov1,2

1 Department of Nephrology and Transplantation, University Hospital "Alexandrovska", Sofia, Bulgaria

2 Medical University—Sofia, Sofia, Bulgaria

\*Address all correspondence to: jeanphillipov@yahoo.com

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

**263**

*Vitamin D Deficiency in Renal Disease DOI: http://dx.doi.org/10.5772/intechopen.88928*

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*Vitamin D Deficiency in Renal Disease DOI: http://dx.doi.org/10.5772/intechopen.88928*
