Journal article (2012) - M De Torres (author), J Dimroth (author), Isabel Arends (author), I. W.C.E. Arends (author), Isabel W.C.E. Arends (author), IWCE Arends (author), I.W.C.E. Arends (author), J Keilitz (author), F. Hollmann (author), Frank Hollmann (author), F Hollmann (author)