Table 1. Informants.
| Gender | 8 men, 2 women |
| Specialty | 2 gastroenterologists, 2 hematologists, 2 nephrologists, 2 endocrinologists, and 2 specialists in infection medicine |
| Age | Mean 50 y, Min 39, Max 67 |
| Experience | Mean 24 y, Min 11, Max 40 |
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