Article History
First Online: 23 November 2018
Competing interests
: J.M.W. and K.W.M. are listed on the following patent applications: PCT/US2015/032626, ‘Methods and systems for converting precursor cells into gastric tissues through directed differentiation’, and PCT/US2017/031309, ‘Methods for the in vitro manufacture of gastric fundus tissue and compositions related to same’. T.R.B. declares no competing interests.