The IFPF was developed and validated by five American researchers from the Lehigh University, New Mexico State University and University of Wisconsin - River Falls based on the Family Adaptation Model .
El IFPF fue desarrollado y validado por cinco investigadores norteamericanos de las universidades Lehigh University, New Mexico State University y University of Wisconsin - River Falls, basado en el Modelo de Adaptación Familiar .
O IFPF foi desenvolvido e validado por cinco investigadores norte-americanos de Lehigh University, New Mexico State University e University of Wisconsin - River Falls, baseado no Modelo de Adaptação Familiar .