Text and Data Mining valid from 2019-09-27
Received: 8 August 2019
Accepted: 22 August 2019
First Online: 27 September 2019
Compliance with ethical guidelines
: G.L. Falk, T.J. D’Netto, and S.C. Little declare that they have no competing interests.
: Prospective patient data were collated from a password-protected practice database and collated for publication. The database was approved by the institutional ethics (CH62/6/2011-092).