Table 2.

Demographic and clinical characteristics of participants in the research

Participant code	Name of disease	Age	Gender	Education	Duration of disease
1	Alkaptonuria	28	Male	Diploma	Since birth
2	Dent	31	Male	Primary school	Since birth
3	CIPA*	21	Female	Illiterate	From 2 years old
4	Early-onset Parkinson’s	57	Female	Illiterate	14 years
5	Achondroplasia	18	Male	Diploma	Since birth
6	Achondroplasia	18	Female	Diploma	Since birth
7	Neurofibromatosis	50	Female	Illiterate	From 10 years old
8	Ichthyosis	49	Male	Diploma	Since birth
9	Neurofibromatosis	27	Female	Diploma	Since birth
10	Epidermolysis bullosa	33	Female	Diploma	From 2 years old

*Congenital insensitivity to pain with anhidrosis