Article History
Accepted: 7 October 2019
First Online: 6 December 2019
Competing interests
: J.A.B. is a stock holder and member of the Board of Directors on Rheos Medicines; a stock holder and member of the Board of Directors for Provention Bio; and a stock holder and member of the Scientific Advisory Boards of Vir Therapeutics, Arcus Biotherapeutics, Quentis Therapeutics, Solid Biosciences and Celsius Therapeutics (Founder). J.A.B. owns stock in MacroGenics Inc., Vir Therapeutics, Arcus Biotherapeutics, Quentis Therapeutics, Solid Biosciences and Celsius Therapeutics. C.R. and L.T.V. declare no competing interests. J.A.B is the President and CEO of a newly formed biotech company targeting T<sub>reg</sub> therapy for the treatment of autoimmune and other immune disorders.