Complex organic molecules in the interstellar medium: IRAM 30 m line survey of Sagittarius B2(N) and (M) (Corrigendum)A. Belloche, H. S. P. Müller, K. M. Menten, P. Schilke and C. ComitoA&A, 561 (2014) C1DOI: https://doi.org/10.1051/0004-6361/201321096e