author Marie-Louise Gerwien...[et al.] Marie-Louise Gerwien author Lawrence Bartonn...[et al.] author Lieselotte Berg...[et al.] authors Luis F. Diaz...[et al.] author Gerhard Kirschstein...[et al.] Gerwien, Marie-Louise...[et al.] author Werner Behrendt...[et al.] authors Heinz Becker...[et al.]