Article History
Received: 28 April 2020
Accepted: 21 January 2021
First Online: 22 February 2021
Consent for publication
: Not applicable.
: JK was an employee of Kyowa Kirin International at the time when the study was initiated, and she was involved in the design of the study, in the collection, analysis, and interpretation of data, and in writing the manuscript. SH: None. ML: None. LV: None.