**Author details**

Peter Magnusson1,2, Joseph V. Pergolizzi3 and Jo Ann LeQuang<sup>3</sup> \*

1 Centre for Research and Development, Uppsala, Sweden

2 Department of Medicine, Cardiology Research Unit, Karolinska Institutet, Sweden

3 NEMA Research, Inc., Naples, Florida, USA

\*Address all correspondence to: joannlequang@gmail.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.
