We have attempted to make most of our references, especially books, clear within each of the chapters to enable the reader to find the source of our inspiration. Where this is not the case we have included the citations below together with other supplemental notes.
 The World Economic Forum (WEF) have published several articles on The Fourth Industrial Revolution in the past few years. The following January 2016 article, written by WEF President Klaus Schwab would be a good starting point: https://www.weforum.org/agenda/2016/01/the-fourth-industrial-revolution-what-it-means-and-how-to-respond/
 The business and society case for Executive Health was the focus of the previous book written by Steven MacGregor: ...