Parry-Romberg syndrome / Progressive hemifacial atrophy diet. Is there a diet which improves the quality of life of people with Parry-Romberg syndrome / Progressive hemifacial atrophy?

Are you aware of a diet that can improve the quality of life of people with Parry-Romberg syndrome / Progressive hemifacial atrophy? Is there a diet that is suggested to avoid when having Parry-Romberg syndrome / Progressive hemifacial atrophy? See if there is a diet that can improve the quality of life of people with Parry-Romberg syndrome / Progressive hemifacial atrophy, recommended and to avoid food when having Parry-Romberg syndrome / Progressive hemifacial atrophy