Martens, D., I. Oster, S. Gottschlling, P. Papanagiotou, K. Ziegler, R. Eymann, M.-F. Ong, L. Gortner, and S. Meyer. “Cerebral MRI and EEG Studies in the Initial Management of Pediatric Headaches”. Swiss Medical Weekly, vol. 142, no. 2728, July 2012, p. w13625, doi:10.4414/smw.2012.13625.