1. Department of Family and Family Policy, National Centre for Early Prevention (NZFH)/German Youth Institute (DJI), Germany
2. University of Applied Sciences, Austria
3. Department of Family and Family Policy, National Centre on Early Prevention in Childhood (NZFH)/German Youth Institute (DJI), Germany
4. Department of economics, health and social sciences, Scoula Universitaria professionale dalla Svizzera italiana SUPSI, University of applied sciences of Southern Switzerland, Switzerland