CACNA2D3 and necrotizing enterocolitis: CACNB3 (calcium voltage-gated channel auxiliary subunit beta 3, Figure S21D) and CACNA2D3 (calcium voltage-gated channel auxiliary subunit alpha 2/delta 3, Figure S22) are expressed maximally in the classical NEC epithelium and immune cells, respectively, and least expressed in cardiac NEC epithelium.