1 Identify the study subjects; i.e. the cohort population. 2  Obtain baseline data on the exposure; measure the exposure at the start. 3  Select a sub-classification of the cohortâthe unexposed control cohortâto be the comparison group.  Follow up; measure the outcomes using records, interviews or examinations.
Ethnicity: French-Canadian (great-great-grandfather), Norwegian, German, Irish, English. Josh Duhamel is an American actor and model. He is married to singer and actress Fergie. His father, Larry David Duhamel, is of one eighth French-Canadian descent (from Joshâs great-great-grandfather, William Brassar Duhamel), along with German, English, Norwegian, and Irish. The ancestry of Joshâs mother, Bonnie/Bonny L. Kemper, is not publicly available.
Jelena Gigi Hadid, American model. Beatriz Gigi FernÃ¡ndez, Puerto Rican tennis player. Gigi Leung (Wing-kei), Hong Kong singer and actress. Gigi Lai, Hong Kong actress and singer.