['This', 'indicates', 'that', 'the', 'quality', 'of', 'the', 'DOT', 'reconstructions', 'could', 'possible', 'be', 'increased', 'by', 'incorporating', 'a', 'model', 'for', 'internal', 'refractive', 'index', 'changes', 'in', 'the', 'image', 'reconstruction', 'procedure', '.']