While the Donabedian model continues to serve as a touchstone framework in health services research, potential limitations have been suggested by other researchers, and, in some cases, adaptations of the model have been proposed. The sequential progression from structure to process to outcome has been described by some as too linear of a framework,[12] and consequently has a limited utility for recognizing how the three domains influence and interact with each other.[13] The model has also been criticized for failing to incorporate antecedent characteristics