Epidemiologymatters.org is sponsored by the Columbia University Department of Epidemiology. The website is led by a creative team including Drs. Catherine Richards, Katherine Keyes, Gina Lovasi, and Sandro Galea. Dr. Katherine Keyes serves as principal point of contact. Contributions on epidemiologymatters.org come from the creative team and from trainees in the Department. We acknowledge in particular the contributions of Maria Baquero, Ulka Campbell, Jennifer Duchon, Nicolle Gatto, Sabrina Hermosilla, Linda Kahn, Jaime Madrigano, Neena Philip, Ashlinn Quinn, Tasha Stehling-Ariza and Kate Weinberger.