| To facilitate the proband selection rates are set by the airport, which is at the expected passenger traffic to certain destinations and destination groups are based. |
| Review of the family history revealed that the proband was the third child born to nonconsanguineous parents, a 32-year-old father and a 27-year-old mother. |
| Where possible, archived DNA from family members was tested with PCR, restriction endonuclease or sequence analysis for the putative change identified in the proband. |
| However, establishing a link between proband characteristics and psychiatric disorders in relatives would strengthen that suggestion. |
| The proband was a 15-year-old female patient from Masuria in the northern part of Poland who had been suffering from photosensitivity since early childhood. |
| A genetic basis to the disorder is borne out by risk increasing with genetic proximity to the proband. |
