Corrigendum: Confinement of Suspension-Cultured Cells in Polyethylene Glycol/Polyethylene Oxide-Albumin Aqueous Two-Phase Systems - Teixeira, Alyne G.; Kleinman, Alex; Agarwal, Rishima; Tam, Nicky W.; Wang, Jun; Frampton, John P. (Frontiers in Chemistry, 2019)