1. Introduction Critical illnesses—progressive, degenerative, or malignant medical conditions that place a child’s life in jeopardy—impact more than 13.7 million children and youth aged between 3 and 17 years around the world [1]. The impact of a life-changing condition on children and their families is commonly known and is profound as they face treatments associated with physical, mental, and social challenges, reducing the overall quality of life as efforts are made to cure or care.