Adapted with permission [213], (B) Hanging drop culture; Adapted with permission [214], (C) Microcarrier beads; Adapted with permission [215], (D) Spinner flask culture; Adapted with permission [216], (E) Rotating flask culture; Adapted with permission [217] (F) Magnetic levitation, (G) Heterospheroid model; Adapted with permission [146], (H) Cell-extracellular matrix model; Adapted with permission [218], (I) Microfluidic device; Adapted with permission [137], (J) Bioprinting; Adapted with permission [219], (K) TRACER platform; Adapted with permission [147].