1. Design and Conduct of an Internet‐Based Preconception Cohort Study in North America: Pregnancy Study Online. Issue 4 (July 2015) Authors: Wise, Lauren A.; Rothman, Kenneth J.; Mikkelsen, Ellen M.; Stanford, Joseph B.; Wesselink, Amelia K.; McKinnon, Craig; Gruschow, Siobhan M.; Horgan, Casie E.; Wiley, Aleta S.; Hahn, Kristen A.; Sørensen, Henrik Toft; Hatch, Elizabeth E. Journal: Paediatric and perinatal epidemiology Issue: Volume 29:Issue 4(2015) Page Start: 360 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗