Disclosure statement
No potential conflict of interest was reported by the author.
ORCID
Margret Frenz http://orcid.org/0000-0002-4852-8969
Notes
1 See also, for instance, http://www.themedicaltouristcompany.com/default.aspx; https://www.clements.com/resources/articles/Top-5-Countries-for-Medical-Tourism; http://www.medicaltourismassociation.com/en/index.html, all accessed 12 April 2017.