['From', 'this', 'it', 'can', 'be', 'concluded', 'that', 'a', 'longer', 'calibration', 'scan', 'of', 'around', '12', '\xa0', 'min', 'would', 'be', 'optimal', ',', 'that', 'is', 'the', '5', '\xa0', 'min', 'that', 'were', 'used', 'for', 'calibration', 'in', 'this', 'experiment', 'plus', '7', '\xa0', 'min', 'worth', 'of', 'data', 'added', 'during', 'the', 'application', 'phase', '.']