Acknowledgements
The Phase 1 study was supported by Pharmacyclics, LLC, an AbbVie Company. Medical writing support for this manuscript was provided by Swati Ghatpande, PhD, and funded by Pharmacyclics, LLC, an AbbVie Company.
Potential conflict of interest
Disclosure forms provided by the authors are available with the full text of this article online at http://dx.doi.org/10.1080/10428194.2016.1247957.