Corrigendum: The Extracellular Calcium-Sensing Receptor in the Intestine: Evidence for Regulation of Colonic Absorption, Secretion, Motility, and Immunity - Tang, Lieqi; Cheng, Catherine Y.; Sun, Xiangrong; Pedicone, Alexandra J.; Mohamadzadeh, Mansour; Cheng, Sam X. (Frontiers in Physiology, 2016)