Text and Data Mining valid from 2019-03-11
Accepted: 21 February 2019
First Online: 11 March 2019
Compliance with ethical standards
: Udayakumar Navaneethan and Bo Shen are consultants for AbbVie. Udayakumar Navaneethan is on the speaker bureau for Takeda, AbbVie, Pfizer, and Janssen. None of the other authors declared financial conflict of interest.