Received: 13 June 2018
Revised: 10 October 2018
Accepted: 23 November 2018
First Online: 31 January 2019
Compliance with ethical standards
: FAJLS received speaker fees from Bayer Healthcare, Sentara Healthcare, Philips, Kellogg Company, Vanda Pharmaceuticals, and Pfizer. The other authors declare that they have no conflict of interest.