special diet
specification of special diet; can include multiple special diets
['', 'low carb', 'reduced calorie', 'vegetarian', 'other(to be specified)']
MIGS.ba.human-gut.6.0; MIGS.eu.human-gut.6.0; MIGS.vi.human-gut.6.0; MIMAG.human-gut.6.0; MIMARKS.specimen.human-gut.6.0; MIMARKS.survey.human-gut.6.0; MIMS.me.human-gut.6.0; MISAG.human-gut.6.0; MIUVIG.human-gut.6.0