Figure 1: The relationship of companions to index patients.
| 
 Relationship to Index Patient  | 
 Number of Respondents  | 
| 
 Spouse  | 
 49 (12%)  | 
| 
 Child  | 
 190 (45%)  | 
| 
 Sibling  | 
 28 (7%)  | 
| 
 Parent  | 
 88 (21%)  | 
| 
 In-law  | 
 20 (5%)  | 
| 
 Others  | 
 47 (11%)  |