**Author details**

Martin Fischer1 \*, Nadine Oberänder2 and Arved Weimann<sup>2</sup>

1 St. George Obesity Treatment Study Group, Klinikum St. Georg, Leipzig, Germany

2 Klinikum St. Georg, Leipzig, Germany

\*Address all correspondence to: martin.fischer@sanktgeorg.de

© 2020 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.
