 To credit this toolbox, please cite the following references in your work:

   Silva, I, Moody, G. 
   "An Open-source Toolbox for Analysing and Processing PhysioNet Databases in MATLAB and Octave." 
   Journal of Open Research Software 2(1):e27
   [http://dx.doi.org/10.5334/jors.bi] ; 
   2014 (September 24). 
   

   Goldberger AL, Amaral LAN, Glass L, Hausdorff JM, Ivanov PCh, Mark RG, Mietus JE, Moody GB, Peng CK, Stanley HE. 
   "PhysioBank, PhysioToolkit, and PhysioNet: Components of a New Research R