Issue Date | Title | Involved Person(s) |
Jun-2008 | Electroencephalographic sleep profiles and hypothalamic–pituitary–adrenocortical (HPA)-activity in kindergarten children : early indication of poor sleep quality associated with increased cortisol secretion | Hatzinger, Martin; Brand, Serge; Perren, Sonja; Stadelmann, Stefanie; von Wyl, Agnes, et al |
2006 | Associations between behavioral/emotional difficulties in kindergarten children and the quality of their peer relationships | Perren, Sonja; von Wyl, Agnes; Stadelmann, Stephanie; Bürgin, Dieter; von Klitzing, Kai |