| Response | Yes | No |
| 1. Pharmacy professionals | 1 | 2 |
| 2. Family | 1 | 2 |
| 3. Friends | 1 | 2 |
| 4. Own experiences | 1 | 2 |
| 5. Previous doctor’s prescription | 1 | 2 |
| 6. Others | 1 |