Author Correction: Femtosecond Laser Mass Spectrometry and High Harmonic Spectroscopy of Xylene Isomers oleh Abdullah Alharbi, Andrey E. Boguslavskiy, Dane Austin, Nicolas Thiré, D. Wood, P. Hawkins, Felicity McGrath, A. S. Johnson, I. Lopez-Quintas, Bruno Schmidt, Francois Légaré, J. P. Marangos, Anh-Thu Le, Ravi Bhardwaj