Definition of the Cohort and Number of Subjects by Vital Status at the End of Follow-Up
| Total subjects | 1,905 |
| Subjects not identified | 43 |
| Died before entering follow-up* | 15 |
| Subjects born after December 31, 1977† | 91 |
| Entered the cohort | 1,756 |
| Lost to follow-up | 18 |
| Alive | 1,617 |
| Dead | 121 |
| With death certificate | 117 |
| Without death certificate | 4 |
| Total subjects | 1,905 |
| Subjects not identified | 43 |
| Died before entering follow-up* | 15 |
| Subjects born after December 31, 1977† | 91 |
| Entered the cohort | 1,756 |
| Lost to follow-up | 18 |
| Alive | 1,617 |
| Dead | 121 |
| With death certificate | 117 |
| Without death certificate | 4 |
*Includes 13 subjects who died before start of follow-up and 2 subjects who died before attaining age 15.
Alive but less than 15 years of age at the end of follow-up.